PlainWater
States → Arizona

Community Water System · PWS AZ0413008

Ash Fork Water Service

Ash Fork, Arizona 86320 - drinking water served from groundwater sources to 2,250 people, tracked in EPA SDWIS and UCMR5.

2,250
People served
120
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 120 drinking-water violations at Ash Fork Water Service, 5% of them health-based - below the Arizona per-system average.

120
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
2,250
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ash Fork Water Service

Ash Fork Water Service is a private-owned community water system that delivers drinking water to 2,250 residents in Ash Fork, Arizona (Yavapai County) through 231 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 120 total violations for this system , of which 6 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 93 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Chlorine, recorded in 40 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Ash Fork Water Service's 120 violations sit below the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,250
Total Violations
120
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
231
County
Yavapai
School/Daycare
No
MCL Violations
2
Monitoring Violations
93
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 40 2025
Consumer Confidence Rule Other 15 2022
Coliform (TCR) MR 14 2015
TTHM MR 6 2021
Total Haloacetic Acids (HAA5) MR 6 2021
Arsenic MR 5 2017
Groundwater Rule TT 4 2023
E. COLI MR 2 2012
Coliform (TCR) MCL 1 2004
Lead and Copper Rule MR 1 2006
Arsenic MCL 1 2014
o-Dichlorobenzene MR 1 1987
Mercury MR 1 1989
CHLOROBENZENE MR 1 1987
Barium MR 1 1989
1,2-Dichloropropane MR 1 1987
Selenium MR 1 1989
Nitrate MR 1 1989
trans-1,2-Dichloroethylene MR 1 1987
Styrene MR 1 1987
Cadmium MR 1 1989
cis-1,2-Dichloroethylene MR 1 1987
DICHLOROMETHANE MR 1 1987
Chromium MR 1 1989
Fluoride MR 1 1989
Tetrachloroethylene MR 1 1987
Ethylbenzene MR 1 1987
1,1,2-Trichloroethane MR 1 1987
Toluene MR 1 1987
CYANIDE MR 1 1998

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Ash Fork Water Service.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0413008 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Ash Fork Water Service under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Chlorine MR 40 SDWIS / AZ0413008 / 0999
2023 Groundwater Rule TT 4 SDWIS / AZ0413008 / 0700
2022 Consumer Confidence Rule Other 15 SDWIS / AZ0413008 / 7000
2021 TTHM MR 6 SDWIS / AZ0413008 / 2950
2021 Total Haloacetic Acids (HAA5) MR 6 SDWIS / AZ0413008 / 2456
2017 Arsenic MR 5 SDWIS / AZ0413008 / 1005
2015 Coliform (TCR) MR 14 SDWIS / AZ0413008 / 3100
2014 Arsenic MCL 1 SDWIS / AZ0413008 / 1005
2012 E. COLI MR 2 SDWIS / AZ0413008 / 3014
2006 Lead and Copper Rule MR 1 SDWIS / AZ0413008 / 5000
2004 Coliform (TCR) MCL 1 SDWIS / AZ0413008 / 3100
1998 CYANIDE MR 1 SDWIS / AZ0413008 / 1024
1989 Mercury MR 1 SDWIS / AZ0413008 / 1035
1989 Barium MR 1 SDWIS / AZ0413008 / 1010
1989 Selenium MR 1 SDWIS / AZ0413008 / 1045

How Ash Fork Water Service Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Ash Fork Water Service Arizona avg Federal benchmark
Total violations 120 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,250 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Ash Fork Water Service water safe to drink? ▼
Ash Fork Water Service (PWS ID: AZ0413008) has 120 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,250 people using Groundwater sources.
How many people does Ash Fork Water Service serve? ▼
Ash Fork Water Service serves 2,250 people in Ash Fork, Arizona. It is a Private-owned system using Groundwater water sources with 231 service connections.
What type of violations does Ash Fork Water Service have? ▼
Ash Fork Water Service has 120 total violations: 6 health-based violations (MCL exceedances or treatment failures), 93 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ash Fork Water Service water? ▼
No PFAS testing data is available for Ash Fork Water Service under the EPA's UCMR5 monitoring program.
What water source does Ash Fork Water Service use? ▼
Ash Fork Water Service uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.