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Community Water System · PWS AZ0403009

Fredonia Town Of

Fredonia, Arizona 86022 - drinking water served from surface water sources to 1,327 people, tracked in EPA SDWIS and UCMR5.

1,327
People served
415
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 415 drinking-water violations at Fredonia Town Of - above the Arizona per-system average.

415
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
1,327
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fredonia Town Of

Fredonia Town Of is a local-owned community water system that delivers drinking water to 1,327 residents in Fredonia, Arizona (Coconino County) through 622 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 415 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 359 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 E. COLI, recorded in 39 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%).

Fredonia Town Of's 415 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
1,327
Total Violations
415
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
622
County
Coconino
School/Daycare
No
MCL Violations
1
Monitoring Violations
359
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 39 2019
Surface Water Treatment Rule MR 35 2025
Chlorine MR 33 2024
Interim Enhanced Surface Water Treatment Rule MR 23 2025
Coliform (TCR) MR 15 2015
Barium MR 10 1999
Chromium MR 10 1999
Fluoride MR 10 1999
Mercury MR 10 1999
Arsenic MR 10 1999
Cadmium MR 10 1999
Selenium MR 10 1999
Consumer Confidence Rule Other 9 2016
TTHM MR 9 2020
Total Haloacetic Acids (HAA5) MR 9 2020
Nitrate MR 7 1991
Lead and Copper Rule MR 7 2020
2,4-D MR 4 1999
2,4,5-TP MR 4 1999
cis-1,2-Dichloroethylene MR 3 1999
DICHLOROMETHANE MR 3 1999
o-Dichlorobenzene MR 3 1999
p-Dichlorobenzene MR 3 1999
trans-1,2-Dichloroethylene MR 3 1999
Carbon tetrachloride MR 3 1999
Trichloroethylene MR 3 1999
1,1,2-Trichloroethane MR 3 1999
Benzene MR 3 1999
1,2-Dichloropropane MR 3 1999
Tetrachloroethylene MR 3 1999

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 Fredonia 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 AZ0403009 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 Fredonia 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 Surface Water Treatment Rule MR 35 SDWIS / AZ0403009 / 0200
2025 Interim Enhanced Surface Water Treatment Rule MR 23 SDWIS / AZ0403009 / 0300
2024 Chlorine MR 33 SDWIS / AZ0403009 / 0999
2024 Revised Total Coliform Rule RPT 3 SDWIS / AZ0403009 / 8000
2020 TTHM MR 9 SDWIS / AZ0403009 / 2950
2020 Total Haloacetic Acids (HAA5) MR 9 SDWIS / AZ0403009 / 2456
2020 Lead and Copper Rule MR 7 SDWIS / AZ0403009 / 5000
2019 E. COLI MR 39 SDWIS / AZ0403009 / 3014
2018 Revised Total Coliform Rule MON 2 SDWIS / AZ0403009 / 8000
2017 Long Term 2 Enhanced Surface Water Treatment Rule MR 2 SDWIS / AZ0403009 / 0800
2016 Consumer Confidence Rule Other 9 SDWIS / AZ0403009 / 7000
2015 Coliform (TCR) MR 15 SDWIS / AZ0403009 / 3100
2001 Coliform (TCR) MCL 1 SDWIS / AZ0403009 / 3100
1999 Barium MR 10 SDWIS / AZ0403009 / 1010
1999 Chromium MR 10 SDWIS / AZ0403009 / 1020

How Fredonia Town Of Compares

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

Metric Fredonia Town Of Arizona avg Federal benchmark
Total violations 415 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 1,327 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 Fredonia Town Of water safe to drink? ▼
Fredonia Town Of (PWS ID: AZ0403009) has 415 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,327 people using Surface Water sources.
How many people does Fredonia Town Of serve? ▼
Fredonia Town Of serves 1,327 people in Fredonia, Arizona. It is a Local-owned system using Surface Water water sources with 622 service connections.
What type of violations does Fredonia Town Of have? ▼
Fredonia Town Of has 415 total violations: 1 health-based violations (MCL exceedances or treatment failures), 359 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fredonia Town Of water? ▼
No PFAS testing data is available for Fredonia Town Of under the EPA's UCMR5 monitoring program.
What water source does Fredonia Town Of use? ▼
Fredonia Town Of uses Surface Water 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.