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Community Water System · PWS AZ0401704

Petrified Forest Np

Petrified Forest, Arizona 86028 - drinking water served from groundwater sources to 1,742 people, tracked in EPA SDWIS and UCMR5.

1,742
People served
54
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 54 drinking-water violations at Petrified Forest Np, 2% of them health-based - below the Arizona per-system average.

54
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
1,742
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Petrified Forest Np

Petrified Forest Np is a federal-owned community water system that delivers drinking water to 1,742 residents in Petrified Forest, Arizona (Apache County) through 58 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 54 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 43 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 12 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%).

Petrified Forest Np's 54 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
1,742
Total Violations
54
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
58
County
Apache
School/Daycare
No
MCL Violations
1
Monitoring Violations
43
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 12 2023
Lead and Copper Rule MR 10 2023
Public Notice Other 6 2024
Consumer Confidence Rule Other 2 2023
Arsenic MR 1 1989
TTHM MR 1 2025
Cadmium MR 1 1989
cis-1,2-Dichloroethylene MR 1 1987
o-Dichlorobenzene MR 1 1987
Barium MR 1 1989
Total Haloacetic Acids (HAA5) MR 1 2025
1,1,2-Trichloroethane MR 1 1987
Toluene MR 1 1987
Styrene MR 1 1987
Nitrate MR 1 1989
CHLOROBENZENE MR 1 1987
trans-1,2-Dichloroethylene MR 1 1987
Mercury MR 1 1989
1,2-Dichloropropane MR 1 1987
Tetrachloroethylene MR 1 1987
Chromium MR 1 1989
DICHLOROMETHANE MR 1 1987
Fluoride MR 1 1989
Selenium MR 1 1989
Chromium MCL 1 1981
Ethylbenzene MR 1 1987

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 Petrified Forest Np.

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 AZ0401704 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 Petrified Forest Np 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 1 SDWIS / AZ0401704 / 2950
2025 Total Haloacetic Acids (HAA5) MR 1 SDWIS / AZ0401704 / 2456
2024 Public Notice Other 6 SDWIS / AZ0401704 / 7500
2023 Chlorine MR 12 SDWIS / AZ0401704 / 0999
2023 Lead and Copper Rule MR 10 SDWIS / AZ0401704 / 5000
2023 Consumer Confidence Rule Other 2 SDWIS / AZ0401704 / 7000
1989 Arsenic MR 1 SDWIS / AZ0401704 / 1005
1989 Cadmium MR 1 SDWIS / AZ0401704 / 1015
1989 Barium MR 1 SDWIS / AZ0401704 / 1010
1989 Nitrate MR 1 SDWIS / AZ0401704 / 1040
1989 Mercury MR 1 SDWIS / AZ0401704 / 1035
1989 Chromium MR 1 SDWIS / AZ0401704 / 1020
1989 Fluoride MR 1 SDWIS / AZ0401704 / 1025
1989 Selenium MR 1 SDWIS / AZ0401704 / 1045
1987 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0401704 / 2380

How Petrified Forest Np Compares

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

Metric Petrified Forest Np Arizona avg Federal benchmark
Total violations 54 153.3 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 1,742 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 Petrified Forest Np water safe to drink? ▼
Petrified Forest Np (PWS ID: AZ0401704) has 54 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,742 people using Groundwater sources.
How many people does Petrified Forest Np serve? ▼
Petrified Forest Np serves 1,742 people in Petrified Forest, Arizona. It is a Federal-owned system using Groundwater water sources with 58 service connections.
What type of violations does Petrified Forest Np have? ▼
Petrified Forest Np has 54 total violations: 1 health-based violations (MCL exceedances or treatment failures), 43 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Petrified Forest Np water? ▼
No PFAS testing data is available for Petrified Forest Np under the EPA's UCMR5 monitoring program.
What water source does Petrified Forest Np use? ▼
Petrified Forest Np 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.