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Community Water System · PWS AZ0404037

Town of Star Valley Water Department

Payson, Arizona 85541 - drinking water served from groundwater sources to 1,157 people, tracked in EPA SDWIS and UCMR5.

1,157
People served
324
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 324 drinking-water violations at Town of Star Valley Water Department, 1% of them health-based - above the Arizona per-system average.

324
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
1,157
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Town of Star Valley Water Department

Town of Star Valley Water Department is a private-owned community water system that delivers drinking water to 1,157 residents in Payson, Arizona (Gila County) through 416 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 293 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 29 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%).

Town of Star Valley Water Department's 324 violations sit above 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
1,157
Total Violations
324
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
416
County
Gila
School/Daycare
No
MCL Violations
3
Monitoring Violations
293
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 29 2015
Xylenes, Total MR 12 2024
Consumer Confidence Rule Other 11 2022
Coliform (TCR) MR 9 2015
Ethylbenzene MR 8 2024
1,2,4-Trichlorobenzene MR 8 2024
o-Dichlorobenzene MR 7 2024
p-Dichlorobenzene MR 7 2024
trans-1,2-Dichloroethylene MR 7 2024
1,2-Dichloroethane MR 7 2024
1,1,1-Trichloroethane MR 7 2024
Nitrate MR 7 2024
DICHLOROMETHANE MR 7 2024
1,1-Dichloroethylene MR 7 2024
Carbon tetrachloride MR 7 2024
1,2-Dichloropropane MR 7 2024
1,1,2-Trichloroethane MR 7 2024
Tetrachloroethylene MR 7 2024
CHLOROBENZENE MR 7 2024
Toluene MR 7 2024
Styrene MR 7 2024
Trichloroethylene MR 7 2024
cis-1,2-Dichloroethylene MR 7 2024
Benzene MR 7 2024
Lead and Copper Rule MR 4 2021
Vinyl chloride MR 4 2024
Methoxychlor MR 3 1998
Toxaphene MR 3 1998
Dalapon MR 3 1998
Diquat MR 3 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 Town of Star Valley Water Department.

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 AZ0404037 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 Town of Star Valley Water Department 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
2024 Xylenes, Total MR 12 SDWIS / AZ0404037 / 2955
2024 Ethylbenzene MR 8 SDWIS / AZ0404037 / 2992
2024 1,2,4-Trichlorobenzene MR 8 SDWIS / AZ0404037 / 2378
2024 o-Dichlorobenzene MR 7 SDWIS / AZ0404037 / 2968
2024 p-Dichlorobenzene MR 7 SDWIS / AZ0404037 / 2969
2024 trans-1,2-Dichloroethylene MR 7 SDWIS / AZ0404037 / 2979
2024 1,2-Dichloroethane MR 7 SDWIS / AZ0404037 / 2980
2024 1,1,1-Trichloroethane MR 7 SDWIS / AZ0404037 / 2981
2024 Nitrate MR 7 SDWIS / AZ0404037 / 1040
2024 DICHLOROMETHANE MR 7 SDWIS / AZ0404037 / 2964
2024 1,1-Dichloroethylene MR 7 SDWIS / AZ0404037 / 2977
2024 Carbon tetrachloride MR 7 SDWIS / AZ0404037 / 2982
2024 1,2-Dichloropropane MR 7 SDWIS / AZ0404037 / 2983
2024 1,1,2-Trichloroethane MR 7 SDWIS / AZ0404037 / 2985
2024 Tetrachloroethylene MR 7 SDWIS / AZ0404037 / 2987

How Town of Star Valley Water Department Compares

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

Metric Town of Star Valley Water Department Arizona avg Federal benchmark
Total violations 324 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 1,157 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 Town of Star Valley Water Department water safe to drink?
Town of Star Valley Water Department (PWS ID: AZ0404037) has 324 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,157 people using Groundwater sources.
How many people does Town of Star Valley Water Department serve?
Town of Star Valley Water Department serves 1,157 people in Payson, Arizona. It is a Private-owned system using Groundwater water sources with 416 service connections.
What type of violations does Town of Star Valley Water Department have?
Town of Star Valley Water Department has 324 total violations: 3 health-based violations (MCL exceedances or treatment failures), 293 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Town of Star Valley Water Department water?
No PFAS testing data is available for Town of Star Valley Water Department under the EPA's UCMR5 monitoring program.
What water source does Town of Star Valley Water Department use?
Town of Star Valley Water Department 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.
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.