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Community Water System · PWS AZ0409029

Snowflake Town Of

Snowflake, Arizona 85937 - drinking water served from groundwater sources to 5,590 people, tracked in EPA SDWIS and UCMR5.

5,590
People served
144
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 144 drinking-water violations at Snowflake Town Of - below the Arizona per-system average.

144
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
5,590
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Snowflake Town Of

Snowflake Town Of is a local-owned community water system that delivers drinking water to 5,590 residents in Snowflake, Arizona (Navajo County) through 1,757 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 144 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 112 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 15 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Snowflake Town Of's 144 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
5,590
Total Violations
144
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,757
County
Navajo
School/Daycare
No
MCL Violations
0
Monitoring Violations
112
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 15 2021
Consumer Confidence Rule Other 11 2020
TTHM MR 9 2025
Nitrate MR 8 2000
Coliform (TCR) MR 7 2014
Total Haloacetic Acids (HAA5) MR 7 2025
Revised Total Coliform Rule RPT 4 2024
Lead and Copper Rule MR 4 2023
Revised Total Coliform Rule MON 3 2024
Fluoride MR 2 1993
Pentachlorophenol MR 2 2001
E. COLI MR 2 2015
Arsenic MR 2 1993
Gross Alpha, Excl. Radon and U MR 2 1989
BHC-GAMMA MR 1 2001
Toxaphene MR 1 2001
Dalapon MR 1 2001
Endothall MR 1 2001
Di(2-ethylhexyl) adipate MR 1 2001
Di(2-ethylhexyl) phthalate MR 1 2001
Picloram MR 1 2001
LASSO MR 1 2001
Heptachlor MR 1 2001
2,4-D MR 1 2001
2,4,5-TP MR 1 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2001
ETHYLENE DIBROMIDE MR 1 2001
Chlordane MR 1 2001
Carbon tetrachloride MR 1 1987
p-Dichlorobenzene MR 1 1987

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/12/2023 <20.00 ppt 20.00 ppt Not Detected
ADONA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 7/12/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/12/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 7/12/2023 <8.00 ppt 8.00 ppt Not Detected
PFDA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/12/2023 <2.00 ppt 2.00 ppt Not Detected
PFNA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/12/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/12/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/12/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/12/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/12/2023 <6.00 ppt 6.00 ppt Not Detected
ADONA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/12/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected

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 Snowflake Town Of.

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 AZ0409029 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 Snowflake Town Of 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 TTHM MR 9 SDWIS / AZ0409029 / 2950
2025 Total Haloacetic Acids (HAA5) MR 7 SDWIS / AZ0409029 / 2456
2024 Revised Total Coliform Rule RPT 4 SDWIS / AZ0409029 / 8000
2024 Revised Total Coliform Rule MON 3 SDWIS / AZ0409029 / 8000
2023 Lead and Copper Rule MR 4 SDWIS / AZ0409029 / 5000
2021 Chlorine MR 15 SDWIS / AZ0409029 / 0999
2020 Consumer Confidence Rule Other 11 SDWIS / AZ0409029 / 7000
2015 E. COLI MR 2 SDWIS / AZ0409029 / 3014
2014 Coliform (TCR) MR 7 SDWIS / AZ0409029 / 3100
2001 Pentachlorophenol MR 2 SDWIS / AZ0409029 / 2326
2001 BHC-GAMMA MR 1 SDWIS / AZ0409029 / 2010
2001 Toxaphene MR 1 SDWIS / AZ0409029 / 2020
2001 Dalapon MR 1 SDWIS / AZ0409029 / 2031
2001 Endothall MR 1 SDWIS / AZ0409029 / 2033
2001 Di(2-ethylhexyl) adipate MR 1 SDWIS / AZ0409029 / 2035

How Snowflake Town Of Compares

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

Metric Snowflake Town Of Arizona avg Federal benchmark
Total violations 144 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 5,590 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 Snowflake Town Of water safe to drink? ▼
Snowflake Town Of (PWS ID: AZ0409029) has 144 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,590 people using Groundwater sources.
How many people does Snowflake Town Of serve? ▼
Snowflake Town Of serves 5,590 people in Snowflake, Arizona. It is a Local-owned system using Groundwater water sources with 1,757 service connections.
What type of violations does Snowflake Town Of have? ▼
Snowflake Town Of has 144 total violations: 0 health-based violations (MCL exceedances or treatment failures), 112 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Snowflake Town Of water? ▼
No. Snowflake Town Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Snowflake Town Of use? ▼
Snowflake Town Of 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.