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Non-Transient Non-Community Water System · PWS AZ0407360

Ruth Fisher School

Tonopah, Arizona 85354 - drinking water served from groundwater sources to 1,800 people, tracked in EPA SDWIS and UCMR5.

1,800
People served
100
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 100 drinking-water violations at Ruth Fisher School, 10% of them health-based - below the Arizona per-system average.

100
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
1,800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ruth Fisher School

Ruth Fisher School is a local-owned non-transient non-community water system that delivers drinking water to 1,800 residents in Tonopah, Arizona (Maricopa County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 100 total violations for this system , of which 10 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 83 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 Nitrate, recorded in 27 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%).

Ruth Fisher School's 100 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
1,800
Total Violations
100
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
2
County
Maricopa
School/Daycare
Yes
MCL Violations
6
Monitoring Violations
83
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 27 2014
Coliform (TCR) MR 26 2007
Chlorine MR 14 2013
Nitrate MCL 4 2004
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Revised Total Coliform Rule RPT 2 2022
Chromium MR 2 1988
Selenium MR 2 1988
Fluoride MCL 2 1985
Mercury MR 2 1988
Arsenic MR 2 1988
Fluoride MR 2 1988
Cadmium MR 2 1988
Barium MR 2 1988
TTHM MR 1 2007
Total Haloacetic Acids (HAA5) MR 1 2007

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 Ruth Fisher School.

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 AZ0407360 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 Ruth Fisher School 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 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / AZ0407360 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / AZ0407360 / 5200
2022 Revised Total Coliform Rule RPT 2 SDWIS / AZ0407360 / 8000
2014 Nitrate MR 27 SDWIS / AZ0407360 / 1040
2013 Chlorine MR 14 SDWIS / AZ0407360 / 0999
2007 Coliform (TCR) MR 26 SDWIS / AZ0407360 / 3100
2007 TTHM MR 1 SDWIS / AZ0407360 / 2950
2007 Total Haloacetic Acids (HAA5) MR 1 SDWIS / AZ0407360 / 2456
2004 Nitrate MCL 4 SDWIS / AZ0407360 / 1040
1988 Chromium MR 2 SDWIS / AZ0407360 / 1020
1988 Selenium MR 2 SDWIS / AZ0407360 / 1045
1988 Mercury MR 2 SDWIS / AZ0407360 / 1035
1988 Arsenic MR 2 SDWIS / AZ0407360 / 1005
1988 Fluoride MR 2 SDWIS / AZ0407360 / 1025
1988 Cadmium MR 2 SDWIS / AZ0407360 / 1015

How Ruth Fisher School Compares

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

Metric Ruth Fisher School Arizona avg Federal benchmark
Total violations 100 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 1,800 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 Ruth Fisher School water safe to drink? ▼
Ruth Fisher School (PWS ID: AZ0407360) has 100 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,800 people using Groundwater sources.
How many people does Ruth Fisher School serve? ▼
Ruth Fisher School serves 1,800 people in Tonopah, Arizona. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does Ruth Fisher School have? ▼
Ruth Fisher School has 100 total violations: 10 health-based violations (MCL exceedances or treatment failures), 83 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ruth Fisher School water? ▼
No PFAS testing data is available for Ruth Fisher School under the EPA's UCMR5 monitoring program.
What water source does Ruth Fisher School use? ▼
Ruth Fisher School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.