Public water system profile

City of Prescott

Explore available public water records for City of Prescott (PWSID AZ0413045). 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.

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System Snapshot

Available system-level context

This snapshot shows the identity and context fields currently available for City of Prescott (PWSID AZ0413045). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
AZ0413045
State
Arizona
Linked communities
Prescott
County context
Not listed in current record
System type
Community water system
Source water
Groundwater from Prescott-area aquifers
Population served context
Not listed in current record
Service connections
Not listed in current record
Latest reviewed report
2024 report link found
Data updated
2026-06-10

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

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

Report year
2024
Rows summarized
21
Source tables represented
4
Scope
Past reporting period
Report-row preview from the latest reviewed report for City of Prescott
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
BariumTesting period: 22-Jan0.036 ppmHighest LevelRange: ND-0.036MCL: 2; MCLG: 2Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; Erosion of natural depositsNot listed in this summarized entry
Nitrate (as N)Testing period: 24-Jan2.03 ppmHighest LevelRange: 1.08 - 2.03MCL: 10; MCLG: 10Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural depositsNot listed in this summarized entry
Lead Results - HomesTesting period: 22-JunSites above action level0 of 30<5.0 ppb90th PercentileNot listed in this summarized entryAL: 15Lead & Copper (Water Samples Collected from Qualifying Homes Based on ADEQ Site Selection Criteria in Prescott, AZ)Page 3Typical source, as printed: Corrosion of household plumbing systems; erosion of natural depositsViolation Y or N: N, as printed for this report period
Copper Results - HomesTesting period: 22-JunSites above action level0 of 300.072 ppm90th PercentileNot listed in this summarized entryAL: 1.3Lead & Copper (Water Samples Collected from Qualifying Homes Based on ADEQ Site Selection Criteria in Prescott, AZ)Page 3Typical source, as printed: Corrosion of household plumbing systems; erosion of natural depositsViolation Y or N: N, as printed for this report period
Gross AlphaTesting period: 23-Jan2.6 pCi/LHighest LevelRange: 2.9MCL: 15; MCLG: 0Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Erosion of natural depositsNot listed in this summarized entry
Combined Radium 226 & 228Testing period: 23-Jan<0.6 pCi/LHighest LevelRange: <0.6MCL: 5; MCLG: 0Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Erosion of natural depositsNot listed in this summarized entry
AntimonyTesting period: 22-Jan0.8 ppbHighest LevelRange: ND - 0.8MCL: 6; MCLG: 6Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Discharge from petroleum refineries; fire retardants; ceramics, electronics and solderNot listed in this summarized entry
ArsenicTesting period: 20248.0 ppbHighest LevelRange: 1.8 - 8.0MCL: 10; MCLG: 0Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Erosion of natural deposits, runoff from orchards, runoff from glass and electronics production wastesNot listed in this summarized entry
ChromiumTesting period: 202014 ppmHighest LevelRange: 2 - 14MCL: 100; MCLG: 100Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Discharge from steeland pulp mills: Erosion of natural depositsNot listed in this summarized entry
FluorideTesting period: 22-Jan0.29 ppmHighest LevelRange: ND - 0.29MCL: 4; MCLG: 4Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factoriesNot listed in this summarized entry
SodiumTesting period: 22-Jan14 ppmHighest LevelRange: 14MCL: No MCL; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Erosion of natural depositsThe printed Sodium row uses No MCL and N/A rather than regulatory criteria.
TrichloroethyleneTesting period: 24-Jan0.0006 ppbHighest LevelRange: ND - 0.0006MCL: 5; MCLG: 0Regulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Discharge from metal degreasing sites and other factoriesNot listed in this summarized entry
Total Trihalomethane (TTHM)Testing period: 24-July0.006 ppbHighest LevelRange: ND - 0.006MCL: 80; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
BromodichloromethaneTesting period: 24-July0.0027 ppbHighest LevelRange: ND - 0.0027MCL: 80; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
BromoformTesting period: 24-July0.0061 ppbHighest LevelRange: ND - 0.0067MCL: 80; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
ChloroformTesting period: 24-July0.0037 ppbHighest LevelRange: ND - 0.0037MCL: 80; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
DibromochloromethaneTesting period: 24-July0.006 ppbHighest LevelRange: ND - 0.006MCL: 80; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
Haloacetic Acids (HAA5)Testing period: 24-JulyND ppbHighest LevelRange: NDMCL: 60; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
Dibromoacetic AcidTesting period: 24-July0.0014 ppbHighest LevelRange: ND - 0.0014MCL: 60; MCLG: N/ARegulated Substances - Measured from Water Leaving the Treatment FacilitiesPage 3Typical source, as printed: Byproduct of drinking water disinfectionNot listed in this summarized entry
ChlorineTesting period: 20241.78 ppmHighest Detected LevelRange: 0.26 - 1.78MRDL: 4.0; MRDLG: <4.0Maximum Residual Disinfection Level (MRDL)Page 3Typical source, as printed: Water additive used to control microbesNot listed in this summarized entry
Total Coliform - Tested monthlyTesting period: 2024Highest monthly number of positive Coliform samples: 0 in 50 Absent or PresentEntire Distribution SystemNot listed in this summarized entryMCLG: 0Biological MonitoringPage 3Typical source, as printed: Naturally present in the environmentLikely Source in Drinking Water: Naturally present in the environment

Report row

Barium

Range in report
Range: ND-0.036 ppm
Highest Level
0.036 ppm
Testing period
22-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 2; MCLG: 2
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

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

Report row

Nitrate (as N)

Range in report
Range: 1.08 - 2.03 ppm
Highest Level
2.03 ppm
Testing period
24-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 10; MCLG: 10
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits

Report row

Lead Results - Homes

Range in report
Not listed in this summarized entry
90th Percentile
<5.0 ppb
Testing period
22-Jun
Sites above action level
0 of 30
Limit or standard
AL: 15
Report-printed status
Violation Y or N: N, as printed for this report period

Source · Page 3

Lead & Copper (Water Samples Collected from Qualifying Homes Based on ADEQ Site Selection Criteria in Prescott, AZ)

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

Report row

Copper Results - Homes

Range in report
Not listed in this summarized entry
90th Percentile
0.072 ppm
Testing period
22-Jun
Sites above action level
0 of 30
Limit or standard
AL: 1.3
Report-printed status
Violation Y or N: N, as printed for this report period

Source · Page 3

Lead & Copper (Water Samples Collected from Qualifying Homes Based on ADEQ Site Selection Criteria in Prescott, AZ)

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

Report row

Gross Alpha

Range in report
Range: 2.9 pCi/L
Highest Level
2.6 pCi/L
Testing period
23-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 15; MCLG: 0
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Erosion of natural deposits

Report row

Combined Radium 226 & 228

Range in report
Range: <0.6 pCi/L
Highest Level
<0.6 pCi/L
Testing period
23-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 5; MCLG: 0
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Erosion of natural deposits

Report row

Antimony

Range in report
Range: ND - 0.8 ppb
Highest Level
0.8 ppb
Testing period
22-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 6; MCLG: 6
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Discharge from petroleum refineries; fire retardants; ceramics, electronics and solder

Report row

Arsenic

Range in report
Range: 1.8 - 8.0 ppb
Highest Level
8.0 ppb
Testing period
2024
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 10; MCLG: 0
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Erosion of natural deposits, runoff from orchards, runoff from glass and electronics production wastes

Report row

Chromium

Range in report
Range: 2 - 14 ppm
Highest Level
14 ppm
Testing period
2020
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 100; MCLG: 100
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Discharge from steeland pulp mills: Erosion of natural deposits

Report row

Fluoride

Range in report
Range: ND - 0.29 ppm
Highest Level
0.29 ppm
Testing period
22-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 4; MCLG: 4
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

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

Report row

Sodium

Range in report
Range: 14 ppm
Highest Level
14 ppm
Testing period
22-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: No MCL; MCLG: N/A
Report-printed status
The printed Sodium row uses No MCL and N/A rather than regulatory criteria.

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Erosion of natural deposits

Report row

Trichloroethylene

Range in report
Range: ND - 0.0006 ppb
Highest Level
0.0006 ppb
Testing period
24-Jan
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 5; MCLG: 0
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Discharge from metal degreasing sites and other factories

Report row

Total Trihalomethane (TTHM)

Range in report
Range: ND - 0.006 ppb
Highest Level
0.006 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Bromodichloromethane

Range in report
Range: ND - 0.0027 ppb
Highest Level
0.0027 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Bromoform

Range in report
Range: ND - 0.0067 ppb
Highest Level
0.0061 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Chloroform

Range in report
Range: ND - 0.0037 ppb
Highest Level
0.0037 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Dibromochloromethane

Range in report
Range: ND - 0.006 ppb
Highest Level
0.006 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 80; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Haloacetic Acids (HAA5)

Range in report
Range: ND
Highest Level
ND ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 60; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Dibromoacetic Acid

Range in report
Range: ND - 0.0014 ppb
Highest Level
0.0014 ppb
Testing period
24-July
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 60; MCLG: N/A
Report-printed status
Not listed in this summarized entry

Source · Page 3

Regulated Substances - Measured from Water Leaving the Treatment Facilities

Typical source, as printed: Byproduct of drinking water disinfection

Report row

Chlorine

Range in report
Range: 0.26 - 1.78 ppm
Highest Detected Level
1.78 ppm
Testing period
2024
Sites above action level
Not applicable to this summarized entry
Limit or standard
MRDL: 4.0; MRDLG: <4.0
Report-printed status
Not listed in this summarized entry

Source · Page 3

Maximum Residual Disinfection Level (MRDL)

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

Report row

Total Coliform - Tested monthly

Range in report
Not listed in this summarized entry
Entire Distribution System
Highest monthly number of positive Coliform samples: 0 in 50 Absent or Present
Testing period
2024
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCLG: 0
Report-printed status
Likely Source in Drinking Water: Naturally present in the environment

Source · Page 3

Biological Monitoring

Typical source, as printed: Naturally present in the environment

Source report notes

Source: City of Prescott 2024 Consumer Confidence Report. Retrieved 2026-08-14.

  • Applies to: Barium, Nitrate (as N), Lead Results - Homes, Copper Results - Homes, Gross Alpha, Combined Radium 226 & 228, Antimony, Arsenic, Chromium, Fluoride, Sodium, Trichloroethylene, Total Trihalomethane (TTHM), Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, Haloacetic Acids (HAA5), Dibromoacetic Acid, Chlorine, Total Coliform - Tested monthly

    Regulated-substances rows do not display a violation column.

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 Prescott. 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 Prescott water-quality sources reviewed on June 10, 2026.
  • The 2024 report identifies AZ0413045 and describes Prescott groundwater source context.
  • 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 2024 report found for City of Prescott summarizes a past reporting period. It is not a live alert page.

Utility reportReport data updated:

2024 Consumer Confidence Report

Open 2024 water quality report

The 2024 report link is available for City of Prescott. 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
2024
Summarized entries shown
21
Source name
City of Prescott 2024 Consumer Confidence Report
Source URL
Open report source
Source retrieved
2026-08-14
Last reviewed
2026-08-14

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
2024 report link found
Report-listed rows
21 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
Prescott
County context
Not listed in current record

Local Context

City and state context for this system

City of Prescott is linked here to Prescott 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
Prescott
County context
Not listed in current record
State context
Arizona

Related Explainers

Related contaminants and guides

Use these explainers with City of Prescott's report year, source table, and official report. Links are limited to existing guide and contaminant pages.

Metals and inorganic chemicals

Nitrate

Nitrate is a regulated inorganic contaminant. Report labels often specify that the result is measured as nitrogen, and that basis must remain attached to the value and unit.

Read the Nitrate contaminant guide

How to look up your drinking water system

Start with a utility bill, PWSID, state lookup tool, or official report so you can find the public water system behind a city or provider name.

View How to look up your drinking water system

How to read a water quality report

A plain-English walkthrough of Consumer Confidence Reports, including report years, detected contaminants, legal limits, violations, and source notes.

View How to read a water quality report

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.

Suggest an update

Evidence

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.

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Data limitations

See why limited records, missing fields, and current notices need careful interpretation.

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