Public water system profile

City of Greeley

Explore available public water records for City of Greeley (PWSID CO0162321). Find annual reports, results listed in those reports, official sources, and clear notes about what the records can and cannot show. This page does not show conditions at a specific tap.

System Snapshot

Available system-level context

This snapshot shows the identity and context fields currently available for City of Greeley (PWSID CO0162321). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
CO0162321
State
Colorado
Linked communities
Greeley
County context
Not listed in current record
System type
Community water system
Source water
Surface water from listed river, reservoir, and treatment-plant supplies
Population served context
Not listed in current record
Service connections
Not listed in current record
Latest reviewed report
2026 report link found
Data updated
2026-06-11

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

17 report-listed rows are summarized for City of Greeley. A listed row is not the same thing as a current advisory or household tap result.

Report year
2026
Rows summarized
17
Source tables represented
8
Scope
Past reporting period
Report-row preview from the latest reviewed report for City of Greeley
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
Total Organic Carbon RatioTesting period: 20251.28 RatioAverageRange Low - High: 1.02 to 1.97Not listed in this summarized entryTotal Organic Carbon (Disinfection Byproducts Precursor) Removal Ratio of Raw and Finished WaterPage 9Typical source, as printed: Naturally present in the environmentTT: No, as printed for this sample period
TurbidityTesting period: Date/Month: June0.65 NTU NTUHighest single measurementNot listed in this summarized entryNot listed in this summarized entrySummary of Turbidity Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Soil RunoffTT Violation: No, as printed for this sample period
TurbidityTesting period: Month: June98% %Lowest monthly percentage of samples meeting TT requirement for our technologyNot listed in this summarized entryNot listed in this summarized entrySummary of Turbidity Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Soil RunoffTT Violation: No, as printed for this sample period
Combined RadiumTesting period: 20250.06 pCi/LAverageRange Low - High: 0.6 to 0.6MCL: 5; MCLG: 0Radionuclides Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Erosion of natural depositsMCL Violation: No, as printed for this sample period
BariumTesting period: 20250.04 ppmAverageRange Low - High: 0.02 to 0.06MCL: 2; MCLG: 2Inorganic Contaminants Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; erosion of natural depositsMCL Violation: No, as printed for this sample period
ChromiumTesting period: 20251 ppbAverageRange Low - High: 0 to 2MCL: 100; MCLG: 100Inorganic Contaminants Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Discharge from steel and pulp mills; erosion of natural depositsMCL Violation: No, as printed for this sample period
FluorideTesting period: 20250.33 ppmAverageRange Low - High: 0.14 to 0.51MCL: 4; MCLG: 4Inorganic Contaminants Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factoriesMCL Violation: No, as printed for this sample period
SeleniumTesting period: 20251.5 ppbAverageRange Low - High: 0 to 3MCL: 50; MCLG: 50Inorganic Contaminants Sampled at the Entry Point to the Distribution SystemPage 11Typical source, as printed: Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from minesMCL Violation: No, as printed for this sample period
SodiumTesting period: 202525.5 ppmAverageRange Low - High: 9.3 to 41.7Not listed in this summarized entrySecondary ContaminantsPage 11Sample Size: 2; Secondary Standard: N/A.
ChlorineTesting period: December, 2025100% %Lowest period percentage of samples meeting TT requirementNot listed in this summarized entryNot listed in this summarized entryDisinfectants Sampled in the Distribution SystemPage 18Typical source, as printed: Water additive used to control microbesTT Violation: No, as printed for this sample period
Total Haloacetic Acids (HAA5)Testing period: 2025Sites above action levelN/A22.99 ppbAverageRange Low - High: 14.46 to 31.3Action level: 60; MCLG: not listedDisinfection Byproducts Sampled in the Distribution SystemPage 18Typical source, as printed: Byproduct of drinking water disinfection90th Percentile AL Exceedance: No, as printed for this sample period
Total Trihalomethanes (TTHM)Testing period: 2025Sites above action levelN/A42.55 ppbAverageRange Low - High: 20.1 to 68.85Action level: 80; MCLG: not listedDisinfection Byproducts Sampled in the Distribution SystemPage 18Typical source, as printed: Byproduct of drinking water disinfection90th Percentile AL Exceedance: No, as printed for this sample period
ChloriteTesting period: 2025Sites above action level.80.26 ppmAverageRange Low - High: 0 to 0.53Action level: 1.0; MCLG: not listedDisinfection Byproducts Sampled in the Distribution SystemPage 18Typical source, as printed: Byproduct of drinking water disinfection90th Percentile AL Exceedance: No, as printed for this sample period
CopperTesting period: 02/05/2025 to 03/18/2025Sites above action level00.05 ppm90th PercentileTap Sample Range Low - High: 0.004 to 0.156Action level: 1.3; MCLG: not listedLead and Copper Sampled in the Distribution SystemPage 20Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits90th Percentile AL Exceedance: No, as printed for this sample period
LeadTesting period: 02/05/2025 to 03/18/2025Sites above action level03 ppb90th PercentileTap Sample Range Low - High: 0 to 8.0Action level: 15; MCLG: not listedLead and Copper Sampled in the Distribution SystemPage 20Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits90th Percentile AL Exceedance: No, as printed for this sample period
CopperTesting period: 08/15/2025 to 10/08/2025Sites above action level00.06 ppm90th PercentileTap Sample Range Low - High: 0 to 0.147Action level: 1.3; MCLG: not listedLead and Copper Sampled in the Distribution SystemPage 20Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits90th Percentile AL Exceedance: No, as printed for this sample period
LeadTesting period: 08/15/2025 to 10/08/2025Sites above action level24 ppb90th PercentileTap Sample Range Low - High: 0 to 19.0Action level: 15; MCLG: not listedLead and Copper Sampled in the Distribution SystemPage 20Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits90th Percentile AL Exceedance: No, as printed for this sample period

Report row

Total Organic Carbon Ratio

Range in report
Range Low - High: 1.02 to 1.97 Ratio
Average
1.28 Ratio
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
TT: No, as printed for this sample period

Source · Page 9

Total Organic Carbon (Disinfection Byproducts Precursor) Removal Ratio of Raw and Finished Water

Typical source, as printed: Naturally present in the environment

Report row

Turbidity

Range in report
Not listed in this summarized entry
Highest single measurement
0.65 NTU NTU
Testing period
Date/Month: June
Sites above action level
Not applicable to this summarized entry
Limit or standard
Not listed in this summarized entry
Report-printed status
TT Violation: No, as printed for this sample period

Source · Page 11

Summary of Turbidity Sampled at the Entry Point to the Distribution System

Typical source, as printed: Soil Runoff

Report row

Turbidity

Range in report
Not listed in this summarized entry
Lowest monthly percentage of samples meeting TT requirement for our technology
98% %
Testing period
Month: June
Sites above action level
Not applicable to this summarized entry
Limit or standard
Not listed in this summarized entry
Report-printed status
TT Violation: No, as printed for this sample period

Source · Page 11

Summary of Turbidity Sampled at the Entry Point to the Distribution System

Typical source, as printed: Soil Runoff

Report row

Combined Radium

Range in report
Range Low - High: 0.6 to 0.6 pCi/L
Average
0.06 pCi/L
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 5; MCLG: 0
Report-printed status
MCL Violation: No, as printed for this sample period

Source · Page 11

Radionuclides Sampled at the Entry Point to the Distribution System

Typical source, as printed: Erosion of natural deposits

Report row

Barium

Range in report
Range Low - High: 0.02 to 0.06 ppm
Average
0.04 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 2; MCLG: 2
Report-printed status
MCL Violation: No, as printed for this sample period

Source · Page 11

Inorganic Contaminants Sampled at the Entry Point to the Distribution System

Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits

Report row

Chromium

Range in report
Range Low - High: 0 to 2 ppb
Average
1 ppb
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 100; MCLG: 100
Report-printed status
MCL Violation: No, as printed for this sample period

Source · Page 11

Inorganic Contaminants Sampled at the Entry Point to the Distribution System

Typical source, as printed: Discharge from steel and pulp mills; erosion of natural deposits

Report row

Fluoride

Range in report
Range Low - High: 0.14 to 0.51 ppm
Average
0.33 ppm
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 4; MCLG: 4
Report-printed status
MCL Violation: No, as printed for this sample period

Source · Page 11

Inorganic Contaminants Sampled at the Entry Point to the Distribution System

Typical source, as printed: Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories

Report row

Selenium

Range in report
Range Low - High: 0 to 3 ppb
Average
1.5 ppb
Testing period
2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 50; MCLG: 50
Report-printed status
MCL Violation: No, as printed for this sample period

Source · Page 11

Inorganic Contaminants Sampled at the Entry Point to the Distribution System

Typical source, as printed: Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from mines

Report row

Sodium

Range in report
Range Low - High: 9.3 to 41.7 ppm
Average
25.5 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
Sample Size: 2; Secondary Standard: N/A.

Source · Page 11

Secondary Contaminants

Report row

Chlorine

Range in report
Not listed in this summarized entry
Lowest period percentage of samples meeting TT requirement
100% %
Testing period
December, 2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
Not listed in this summarized entry
Report-printed status
TT Violation: No, as printed for this sample period

Source · Page 18

Disinfectants Sampled in the Distribution System

Typical source, as printed: Water additive used to control microbes

Report row

Total Haloacetic Acids (HAA5)

Range in report
Range Low - High: 14.46 to 31.3 ppb
Average
22.99 ppb
Testing period
2025
Sites above action level
N/A
Limit or standard
Action level: 60; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 18

Disinfection Byproducts Sampled in the Distribution System

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Total Trihalomethanes (TTHM)

Range in report
Range Low - High: 20.1 to 68.85 ppb
Average
42.55 ppb
Testing period
2025
Sites above action level
N/A
Limit or standard
Action level: 80; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 18

Disinfection Byproducts Sampled in the Distribution System

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Chlorite

Range in report
Range Low - High: 0 to 0.53 ppm
Average
0.26 ppm
Testing period
2025
Sites above action level
.8
Limit or standard
Action level: 1.0; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 18

Disinfection Byproducts Sampled in the Distribution System

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Copper

Range in report
Tap Sample Range Low - High: 0.004 to 0.156 ppm
90th Percentile
0.05 ppm
Testing period
02/05/2025 to 03/18/2025
Sites above action level
0
Limit or standard
Action level: 1.3; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 20

Lead and Copper Sampled in the Distribution System

Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits

Report row

Lead

Range in report
Tap Sample Range Low - High: 0 to 8.0 ppb
90th Percentile
3 ppb
Testing period
02/05/2025 to 03/18/2025
Sites above action level
0
Limit or standard
Action level: 15; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 20

Lead and Copper Sampled in the Distribution System

Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits

Report row

Copper

Range in report
Tap Sample Range Low - High: 0 to 0.147 ppm
90th Percentile
0.06 ppm
Testing period
08/15/2025 to 10/08/2025
Sites above action level
0
Limit or standard
Action level: 1.3; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 20

Lead and Copper Sampled in the Distribution System

Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits

Report row

Lead

Range in report
Tap Sample Range Low - High: 0 to 19.0 ppb
90th Percentile
4 ppb
Testing period
08/15/2025 to 10/08/2025
Sites above action level
2
Limit or standard
Action level: 15; MCLG: not listed
Report-printed status
90th Percentile AL Exceedance: No, as printed for this sample period

Source · Page 20

Lead and Copper Sampled in the Distribution System

Typical source, as printed: Corrosion of household plumbing systems; Erosion of natural deposits

Source report notes

Source: City of Greeley 2026 Drinking Water Quality Report. Retrieved 2026-08-13.

  • Applies to: Total Organic Carbon Ratio, Turbidity, Combined Radium, Barium, Chromium, Fluoride, Selenium, Sodium, Chlorine, Total Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Chlorite, Copper, Lead

    Source-printed values are preserved without inferring current status, compliance, water safety, or household conditions.

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 of Greeley. 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 of Greeley water-quality sources reviewed on June 11, 2026.
  • Population served is omitted until a current source-backed public-water-system inventory value is listed.
  • Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.
  • This page may show summarized entries from available annual reports. It does not include a complete historical contaminant table.
  • 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 2026 report found for City of Greeley summarizes a past reporting period. It is not a live alert page.

Utility reportReport data updated:

2026 Drinking Water Quality Report

Open 2026 water quality report (opens in a new tab)

The 2026 report link is available for City of Greeley. 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
2026
Summarized entries shown
17
Source name
City of Greeley 2026 Drinking Water Quality Report
Source retrieved
2026-08-13
Last reviewed
2026-08-13

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
2026 report link found
Report-listed rows
17 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
Greeley
County context
Not listed in current record

Local Context

City and state context for this system

City of Greeley is linked here to Greeley 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
Greeley
County context
Not listed in current record
State context
Colorado

Corrections

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Evidence

Official sources and report links

Use official federal, state, utility, or report sources before treating a page as final.

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