System Snapshot
Available system-level context
This snapshot shows the identity and context fields currently available for City and County of Broomfield (PWSID CO0107155). Read it with the source links and limitations below.
System identity
- PWSID
- CO0107155
- State
- Colorado
- Linked communities
- Broomfield
- County context
- Not listed in current record
- System type
- Community water system
- Source water
- Surface water
- Population served context
- Not listed in current record
- Service connections
- Not listed in current record
- Latest reviewed report
- 2025 report link found
- Data updated
- 2026-08-15
A source-backed population-served value is not currently shown for this system. City population should not be used as a substitute for the public water system population.
Read these as system-level fields from reviewed public records. Confirm provider and address-specific questions with official utility, city, state, or EPA sources.
Report-Listed Rows
Report-listed rows summarized from the latest reviewed report
41 report-listed rows are summarized for City and County of Broomfield. A listed row is not the same thing as a current advisory or household tap result.
- Report year
- 2025
- Rows summarized
- 41
- Source tables represented
- 6
- Scope
- Past reporting period
| Substance and testing period | Reported value | Range in report | Limit or standard | Source table | Report-printed status |
|---|---|---|---|---|---|
| ArsenicTesting period: 2022 / every 9 years | Average: 0.41; Range: 0.41 ppbSource-printed result | Not listed in this summarized entry | MCLG: 0; MCL: 10 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Erosion of natural deposits; discharge of drilling waste | MCL Violation: No, as printed for this sample period |
| Barium²Testing period: Monthly | Average: 0.040; Range: 0.036 - 0.045 ppmSource-printed result | Not listed in this summarized entry | MCLG: 2; MCL: 2 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Erosion of natural deposits; discharge of drilling waste | MCL Violation: No, as printed for this sample period |
| CadmiumTesting period: 2022 / every 9 years | Average: 0.11; Range: 0.11 ppbSource-printed result | Not listed in this summarized entry | MCLG: 5; MCL: 5 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Corrosion of galvanized pipes; erosion of natural deposits; discharge from metal refineries; runoff from waste batteries and paints | MCL Violation: No, as printed for this sample period |
| ChromiumTesting period: 2022 / every 9 years | Average: .67; Range: .67 ppbSource-printed result | Not listed in this summarized entry | MCLG: 100; MCL: 100 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Erosion of natural deposits; discharge from steel and pulp mills | MCL Violation: No, as printed for this sample period |
| Fluoride²Testing period: Monthly | Average: .62; Range: .53 - .75 ppmSource-printed result | Not listed in this summarized entry | MCLG: 4; MCL: 4 (SMCL=2) | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Water additive which promotes strong teeth; erosion of natural deposits; discharge from fertilizer and aluminum factories | MCL Violation: No, as printed for this sample period |
| Gross Alpha² (excluding Uranium)Testing period: 2024 / every 6-9 years | Average: 2.7; Range: 2.7 pCi/LSource-printed result | Not listed in this summarized entry | MCLG: 0; MCL: 15 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Erosion of natural deposits; mine drainage; industrial activity | MCL Violation: No, as printed for this sample period |
| Nickel² (monitoring required, but no MCL)Testing period: Monthly | Average: 1.00; Range: BRL - 1.6 ppbSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Industrial uses of nickel; alloying of steel and other metals; metal plating; batteries; pigments; ceramics | Source-printed guideline: MCLG: N/A; MCL: N/A |
| Nitrate, as Nitrogen²Testing period: Monthly | Average: .14; Range: BRL - .18 ppmSource-printed result | Not listed in this summarized entry | MCLG: 10; MCL: 10 | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits | MCL Violation: No, as printed for this sample period |
| Sodium² (monitoring required, but no MCL)Testing period: Monthly | Average: 23.8; Range: 19.1 - 27.2 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Detected Contaminants - Entry Point of the Distribution SystemPage 4Typical source, as printed: Naturally present in environment; additive to prevent premise plumbing corrosion | Source-printed guideline: MCLG: N/A; MCL: N/A |
| Total Organic Carbon RatioTesting period: 2025; 12 samples | Average RAA: 1.41; Range of Individual Ratio Samples: 1.20 - 1.51 RatioSource-printed result | Not listed in this summarized entry | TT Requirement: Minimum Ratio = 1 | Detected Contaminants - At the Broomfield Water Treatment PlantPage 4Typical source, as printed: Naturally present in the environment | TT Violation: No, as printed for this sample period |
| Turbidity - Highest Single MeasurementTesting period: January / Every 4 hours | Highest Single Measurement: 0.16 NTU NTUSource-printed result | Not listed in this summarized entry | TT Requirement: Maximum 1 NTU for any single measurement | Detected Contaminants - At the Broomfield Water Treatment PlantPage 4Typical source, as printed: Soil runoff | TT Violation: No, as printed for this sample period |
| Turbidity - Monthly PercentageTesting period: December / Every 4 hours | Lowest % of Samples Meeting TT Requirement: 100 % %Source-printed result | Not listed in this summarized entry | TT Requirement: At least 95% of samples must be less than 0.3 NTU | Detected Contaminants - At the Broomfield Water Treatment PlantPage 4Typical source, as printed: Soil runoff | TT Violation: No, as printed for this sample period |
| pHTesting period: Daily | Jan-Jun: 8.8 - 9.0; Jul-Dec: 8.8 - 9.0; # Excursions: None S.U.Source-printed result | Not listed in this summarized entry | TT Requirement: Daily Average between 8.7 - 9.1 | Detected Contaminants - At the Broomfield Water Treatment PlantPage 4Typical source, as printed: Addition of treatment chemicals | TT Violation: No, as printed for this sample period |
| AlkalinityTesting period: Daily | Jan-Jun: 34 - 50; Jul-Dec: 37 - 45; # Excursions: None mg/LSource-printed result | Not listed in this summarized entry | TT Requirement: Daily Average greater than 25 mg/L | Detected Contaminants - At the Broomfield Water Treatment PlantPage 4Typical source, as printed: Addition of treatment chemicals | TT Violation: No, as printed for this sample period |
| TTHMTesting period: 2025; 32 samples | Highest LRAA: 30.0; Range of Compliance LRAA: 20.6 - 30.0; Range of Individual Samples: 14.8 - 31.8 ppbSource-printed result | Not listed in this summarized entry | MCLG: 0; MCL: 80 | Detected Contaminants - In the Distribution SystemPage 4Typical source, as printed: Byproducts of chlorine disinfection | MCL Violation: No, as printed for this sample period |
| HAA5Testing period: 2025; 32 samples | Highest LRAA: 15.3; Range of Compliance LRAA: 11.5 - 15.3; Range of Individual Samples: 11.2 - 19.0 ppbSource-printed result | Not listed in this summarized entry | MCLG: 0; MCL: 60 | Detected Contaminants - In the Distribution SystemPage 4Typical source, as printed: Byproducts of chlorine disinfection | MCL Violation: No, as printed for this sample period |
| Total Chlorine (as chloramine) - MRDLTesting period: 2025; 110 samples / month | Average RAA: 2.5; Range: .2 - 3.4 ppmSource-printed result | Not listed in this summarized entry | MRDLG: < 4; MRDL: Highest RAA Allowed 4.0 | Detected Contaminants - In the Distribution SystemPage 5Typical source, as printed: Water additive used to control microbes | MCL Violation: No, as printed for this sample period |
| Total Chlorine (as chloramine) - Treatment TechniqueTesting period: 2025; 110 samples / month | Lowest monthly percentage meeting TT: 100%; # Samples Below: None (0) ppmSource-printed result | Not listed in this summarized entry | TT: At least 95% of samples each month must be at least 0.2 ppm. | Detected Contaminants - In the Distribution SystemPage 5Typical source, as printed: Water additive used to control microbes | TT Violation: No, as printed for this sample period |
| pHTesting period: Quarterly | Jan-Jun: 8.5 - 9.0; Jul-Dec: 8.5 - 9.0; # Excursions: None S.U.Source-printed result | Not listed in this summarized entry | TT Requirement: 8.5 - 9.1 for each site | Detected Contaminants - In the Distribution SystemPage 5Typical source, as printed: Addition of treatment chemicals | TT Violation: No, as printed for this sample period |
| AlkalinityTesting period: Quarterly | Jan-Jun: 34 - 82; Jul-Dec: 39 - 67; # Excursions: None mg/LSource-printed result | Not listed in this summarized entry | TT Requirement: Greater than 20 mg/L for each site | Detected Contaminants - In the Distribution SystemPage 5Typical source, as printed: Addition of treatment chemicals | TT Violation: No, as printed for this sample period |
| E. coliTesting period: 2025; 100 samples / month | Result: 1 Not listed in this summarized entrySource-printed result | Not listed in this summarized entry | MCLG: 0; MCL: 1 initial sample positive, repeat sample negative | Detected Contaminants - In the Distribution SystemPage 5Typical source, as printed: Human and animal fecal waste | MCL Violation: No, as printed for this sample period |
| Lead - 1st HalfTesting period: April-May 2024 / Every 6 months; 106 samples | Range: BDL - 62.6; 90th Percentile: 2.70 ppbSource-printed result | Not listed in this summarized entry | Action Level: 15 | Detected Contaminants - At Consumers' TapsPage 5Typical source, as printed: Corrosion of household plumbing systems; erosion of natural deposits | Action Level Exceedance: No, as printed for this sample period |
| Copper - 1st HalfTesting period: April-May 2024 / Every 6 months; 106 samples | Range: .002 - .047; 90th Percentile: .028 ppmSource-printed result | Not listed in this summarized entry | Action Level: 1.3 | Detected Contaminants - At Consumers' TapsPage 5Typical source, as printed: Corrosion of household plumbing systems; erosion of natural deposits | Action Level Exceedance: No, as printed for this sample period |
| Lead - 2nd HalfTesting period: October 2024 / Every 6 months; 103 samples | Range: BDL - 72.9; 90th Percentile: 2.60 ppbSource-printed result | Not listed in this summarized entry | Action Level: 15 | Detected Contaminants - At Consumers' TapsPage 5Typical source, as printed: Corrosion of household plumbing systems; erosion of natural deposits | Action Level Exceedance: No, as printed for this sample period |
| Copper - 2nd HalfTesting period: October 2024 / Every 6 months; 103 samples | Range: .0015 - .1845; 90th Percentile: .028 ppmSource-printed result | Not listed in this summarized entry | Action Level: 1.3 | Detected Contaminants - At Consumers' TapsPage 5Typical source, as printed: Corrosion of household plumbing systems; erosion of natural deposits | Action Level Exceedance: No, as printed for this sample period |
| AluminumTesting period: 2025 | Range: .015 - .032 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: .05 - .2 |
| ChlorideTesting period: 2025 | Range: 4.3 - 30 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 250 |
| CopperTesting period: 2025 | Range: .002 - .130 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 1 |
| FluorideTesting period: 2025 | Range: .2 - .7 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 2 |
| IronTesting period: 2025 | Range: ND - 22 ppbSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 300 |
| ManganeseTesting period: 2025 | Range: ND - 4.5 ppbSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 50 |
| SilverTesting period: 2025 | Range: ND ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: .1 |
| SulfateTesting period: 2025 | Range: 19 - 68 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 250 |
| TDSTesting period: 2025 | Range: 83 - 287 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 500 |
| ZincTesting period: 2025 | Range: ND - .011 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Secondary ContaminantsPage 5 | Source-printed guideline: Recommended Level: 5 |
| Hardness as CaCO3Testing period: 2025 | ppm Range: 25 - 130; grains/gal Range: 1.5 - 7.3 ppm / grains/galSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: ppm: <50 = “soft” >150 = “hard”; grains/gal: <3 = “soft” >8.8 = “hard” |
| CalciumTesting period: 2025 | Range: 7.7 - 36 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: Recommended Level: N/A |
| MagnesiumTesting period: 2025 | Range: 1.4 - 7.3 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: Recommended Level: N/A |
| NickelTesting period: 2025 | Range: ND - .002 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: Recommended Level: .1 |
| PotassiumTesting period: 2025 | Range: .67 - 2.4 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: Recommended Level: N/A |
| SodiumTesting period: 2025 | Range: 15 - 22 ppmSource-printed result | Not listed in this summarized entry | Not listed in this summarized entry | Unregulated ContaminantsPage 5 | Source-printed guideline: Recommended Level: N/A |
Report row
Arsenic
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 0.41; Range: 0.41 ppb
- Testing period
- 2022 / every 9 years
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 0; MCL: 10
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Barium²
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 0.040; Range: 0.036 - 0.045 ppm
- Testing period
- Monthly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 2; MCL: 2
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Cadmium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 0.11; Range: 0.11 ppb
- Testing period
- 2022 / every 9 years
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 5; MCL: 5
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Chromium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: .67; Range: .67 ppb
- Testing period
- 2022 / every 9 years
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 100; MCL: 100
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Fluoride²
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: .62; Range: .53 - .75 ppm
- Testing period
- Monthly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 4; MCL: 4 (SMCL=2)
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Gross Alpha² (excluding Uranium)
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 2.7; Range: 2.7 pCi/L
- Testing period
- 2024 / every 6-9 years
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 0; MCL: 15
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Nickel² (monitoring required, but no MCL)
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 1.00; Range: BRL - 1.6 ppb
- Testing period
- Monthly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: MCLG: N/A; MCL: N/A
Report row
Nitrate, as Nitrogen²
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: .14; Range: BRL - .18 ppm
- Testing period
- Monthly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 10; MCL: 10
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Sodium² (monitoring required, but no MCL)
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average: 23.8; Range: 19.1 - 27.2 ppm
- Testing period
- Monthly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: MCLG: N/A; MCL: N/A
Report row
Total Organic Carbon Ratio
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average RAA: 1.41; Range of Individual Ratio Samples: 1.20 - 1.51 Ratio
- Testing period
- 2025; 12 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: Minimum Ratio = 1
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
Turbidity - Highest Single Measurement
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Highest Single Measurement: 0.16 NTU NTU
- Testing period
- January / Every 4 hours
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: Maximum 1 NTU for any single measurement
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
Turbidity - Monthly Percentage
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Lowest % of Samples Meeting TT Requirement: 100 % %
- Testing period
- December / Every 4 hours
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: At least 95% of samples must be less than 0.3 NTU
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
pH
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Jan-Jun: 8.8 - 9.0; Jul-Dec: 8.8 - 9.0; # Excursions: None S.U.
- Testing period
- Daily
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: Daily Average between 8.7 - 9.1
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
Alkalinity
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Jan-Jun: 34 - 50; Jul-Dec: 37 - 45; # Excursions: None mg/L
- Testing period
- Daily
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: Daily Average greater than 25 mg/L
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
TTHM
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Highest LRAA: 30.0; Range of Compliance LRAA: 20.6 - 30.0; Range of Individual Samples: 14.8 - 31.8 ppb
- Testing period
- 2025; 32 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 0; MCL: 80
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
HAA5
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Highest LRAA: 15.3; Range of Compliance LRAA: 11.5 - 15.3; Range of Individual Samples: 11.2 - 19.0 ppb
- Testing period
- 2025; 32 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 0; MCL: 60
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Total Chlorine (as chloramine) - MRDL
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Average RAA: 2.5; Range: .2 - 3.4 ppm
- Testing period
- 2025; 110 samples / month
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MRDLG: < 4; MRDL: Highest RAA Allowed 4.0
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Total Chlorine (as chloramine) - Treatment Technique
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Lowest monthly percentage meeting TT: 100%; # Samples Below: None (0) ppm
- Testing period
- 2025; 110 samples / month
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT: At least 95% of samples each month must be at least 0.2 ppm.
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
pH
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Jan-Jun: 8.5 - 9.0; Jul-Dec: 8.5 - 9.0; # Excursions: None S.U.
- Testing period
- Quarterly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: 8.5 - 9.1 for each site
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
Alkalinity
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Jan-Jun: 34 - 82; Jul-Dec: 39 - 67; # Excursions: None mg/L
- Testing period
- Quarterly
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- TT Requirement: Greater than 20 mg/L for each site
- Report-printed status
- TT Violation: No, as printed for this sample period
Report row
E. coli
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Result: 1 Not listed in this summarized entry
- Testing period
- 2025; 100 samples / month
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- MCLG: 0; MCL: 1 initial sample positive, repeat sample negative
- Report-printed status
- MCL Violation: No, as printed for this sample period
Report row
Lead - 1st Half
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: BDL - 62.6; 90th Percentile: 2.70 ppb
- Testing period
- April-May 2024 / Every 6 months; 106 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Action Level: 15
- Report-printed status
- Action Level Exceedance: No, as printed for this sample period
Report row
Copper - 1st Half
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .002 - .047; 90th Percentile: .028 ppm
- Testing period
- April-May 2024 / Every 6 months; 106 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Action Level: 1.3
- Report-printed status
- Action Level Exceedance: No, as printed for this sample period
Report row
Lead - 2nd Half
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: BDL - 72.9; 90th Percentile: 2.60 ppb
- Testing period
- October 2024 / Every 6 months; 103 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Action Level: 15
- Report-printed status
- Action Level Exceedance: No, as printed for this sample period
Report row
Copper - 2nd Half
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .0015 - .1845; 90th Percentile: .028 ppm
- Testing period
- October 2024 / Every 6 months; 103 samples
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Action Level: 1.3
- Report-printed status
- Action Level Exceedance: No, as printed for this sample period
Report row
Aluminum
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .015 - .032 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: .05 - .2
Report row
Chloride
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 4.3 - 30 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 250
Report row
Copper
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .002 - .130 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 1
Report row
Fluoride
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .2 - .7 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 2
Report row
Iron
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: ND - 22 ppb
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 300
Report row
Manganese
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: ND - 4.5 ppb
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 50
Report row
Silver
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: ND ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: .1
Report row
Sulfate
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 19 - 68 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 250
Report row
TDS
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 83 - 287 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 500
Report row
Zinc
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: ND - .011 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: 5
Report row
Hardness as CaCO3
- Range in report
- Not listed in this summarized entry
- Source-printed result
- ppm Range: 25 - 130; grains/gal Range: 1.5 - 7.3 ppm / grains/gal
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: ppm: <50 = “soft” >150 = “hard”; grains/gal: <3 = “soft” >8.8 = “hard”
Report row
Calcium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 7.7 - 36 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: N/A
Report row
Magnesium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 1.4 - 7.3 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: N/A
Report row
Nickel
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: ND - .002 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: .1
Report row
Potassium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: .67 - 2.4 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: N/A
Report row
Sodium
- Range in report
- Not listed in this summarized entry
- Source-printed result
- Range: 15 - 22 ppm
- Testing period
- 2025
- Sites above action level
- Not applicable to this summarized entry
- Limit or standard
- Not listed in this summarized entry
- Report-printed status
- Source-printed guideline: Recommended Level: N/A
Source report notes
Source: City and County of Broomfield 2025 Annual Drinking Water Quality Report. Retrieved 2026-08-15.
- Applies to: Arsenic, Barium², Cadmium, Chromium, Fluoride², Gross Alpha² (excluding Uranium), Nickel² (monitoring required, but no MCL), Nitrate, as Nitrogen², Sodium² (monitoring required, but no MCL), Total Organic Carbon Ratio, Turbidity - Highest Single Measurement, Turbidity - Monthly Percentage, pH, Alkalinity, TTHM, HAA5, Total Chlorine (as chloramine) - MRDL, Total Chlorine (as chloramine) - Treatment Technique, E. coli, Lead - 1st Half, Copper - 1st Half, Lead - 2nd Half, Copper - 2nd Half, Aluminum, Chloride, Copper, Fluoride, Iron, Manganese, Silver, Sulfate, TDS, Zinc, Hardness as CaCO3, Calcium, Magnesium, Nickel, Potassium, Sodium
The result string preserves the source's labels, values, ranges, and any printed inconsistency.
Review the linked source report for definitions, footnotes, and official wording.
Violation Records
Violation records shown on this page
This section shows 0 system-scoped violation detail records currently included for City and County of Broomfield. Annual reports and current notices can use different timing and terminology.
No system-scoped violation detail records are included in the available reviewed records for this system. This is not an official compliance finding. Check the official utility, state, or EPA source for current compliance and notice information.
Important limitation
Profile summary note
This page summarizes public records reviewed by this site. It does not replace official notices, utility updates, or state drinking water information.
System profile limitations
- This record is based on official City and County of Broomfield report-page and report-document sources reviewed on August 15, 2026.
- Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.
- Population served is omitted until a current source-backed public-water-system inventory value is listed.
- All 41 printed constituent/result rows remain attached to the report record. The existing system report preview remains empty and does not infer representative current conditions.
- This page shows summarized entries from the available report. It does not include a complete contaminant or violation table.
- Missing fields are not findings. They mean the field is not shown on this page from the records currently available.
- This page summarizes available public records. It may not include every update, notice, or urgent official advisory.
Latest Reviewed Report
Latest reviewed report found by this site
The 2025 report found for City and County of Broomfield summarizes a past reporting period. It is not a live alert page.
2025 Annual Drinking Water Quality Report
Open 2025 water quality report (opens in a new tab)The 2025 report link is available for City and County of Broomfield. Use the linked source report for the full table, definitions, footnotes, and official context. This page includes summarized entries from the available report. They are not a complete copy of the report table.
- Report year
- 2025
- Summarized entries shown
- 41
- Source name
- City and County of Broomfield 2025 Annual Drinking Water Quality Report
- Source URL
- Open report source
- Source retrieved
- 2026-08-15
- Last reviewed
- 2026-08-15
Use the linked source report for the full table, definitions, footnotes, and official context.
Data coverage
This page summarizes selected public records for this public water system. It may not include every report, update, current notice, or address-level service detail.
- Latest reviewed report
- 2025 report link found
- Report-listed rows
- 41 summarized report entries shown
- Detailed violation records
- No detailed system-scoped records displayed
- Population served
- Not listed in current record
- Service connections
- Not listed in current record
- City context
- Broomfield
- County context
- Not listed in current record
Local Context
City and state context for this system
City and County of Broomfield is linked here to Broomfield for navigation. That relationship does not confirm the provider for a specific address; use a bill, utility portal, or official lookup source.
Linked local context
- Linked communities
- Broomfield
- County context
- Not listed in current record
- State context
- Colorado
Browse related context
County context is shown as a field when it appears in the current record. County pages are not currently available on this site.
Corrections
Suggest a correction or newer source
If you have a newer official report, utility source, or correction, send the source link for review. This helps keep profile summaries tied to public records.
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Official sources and report links
Use official federal, state, utility, or report sources before treating a page as final.
Data methodology
Review source hierarchy, missing-data handling, and record limitations.
View Data methodologyData limitations
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View Data limitations