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Transient Non-Community Water System · PWS AZ0404869

Usda Tnf Grapevine Group Water System

Phoenix, Arizona 85006 - drinking water served from groundwater sources to 241 people, tracked in EPA SDWIS and UCMR5.

241
People served
204
EPA violations
31
Health-based
Untested
UCMR5 result

The verdict

EPA records 204 drinking-water violations at Usda Tnf Grapevine Group Water System, 15% of them health-based - above the Arizona per-system average.

204
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
241
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Usda Tnf Grapevine Group Water System

Usda Tnf Grapevine Group Water System is a federal-owned transient non-community water system that delivers drinking water to 241 residents in Phoenix, Arizona (Gila County) through 189 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 204 total violations for this system , of which 31 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 142 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 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%).

Usda Tnf Grapevine Group Water System's 204 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
241
Total Violations
204
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Federal
Connections
189
County
Gila
School/Daycare
No
MCL Violations
20
Monitoring Violations
142
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 39 2021
Arsenic MR 36 2021
Lead and Copper Rule MR 22 2021
Arsenic MCL 19 2021
Revised Total Coliform Rule RPT 14 2025
TTHM MR 11 2020
Total Haloacetic Acids (HAA5) MR 11 2020
Revised Total Coliform Rule MON 9 2024
Public Notice Other 9 2025
Revised Total Coliform Rule TT 8 2023
Coliform (TCR) MR 7 2013
E. COLI MR 4 2023
Nitrate MR 3 2024
Lead and Copper Rule TT 3 2017
Coliform (TCR) MCL 1 2004

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 Usda Tnf Grapevine Group Water System.

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 AZ0404869 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 Usda Tnf Grapevine Group Water System 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 Revised Total Coliform Rule RPT 14 SDWIS / AZ0404869 / 8000
2025 Public Notice Other 9 SDWIS / AZ0404869 / 7500
2024 Revised Total Coliform Rule MON 9 SDWIS / AZ0404869 / 8000
2024 Nitrate MR 3 SDWIS / AZ0404869 / 1040
2023 Revised Total Coliform Rule TT 8 SDWIS / AZ0404869 / 8000
2023 E. COLI MR 4 SDWIS / AZ0404869 / 3014
2021 Chlorine MR 39 SDWIS / AZ0404869 / 0999
2021 Arsenic MR 36 SDWIS / AZ0404869 / 1005
2021 Lead and Copper Rule MR 22 SDWIS / AZ0404869 / 5000
2021 Arsenic MCL 19 SDWIS / AZ0404869 / 1005
2020 TTHM MR 11 SDWIS / AZ0404869 / 2950
2020 Total Haloacetic Acids (HAA5) MR 11 SDWIS / AZ0404869 / 2456
2017 Lead and Copper Rule TT 3 SDWIS / AZ0404869 / 5000
2013 Coliform (TCR) MR 7 SDWIS / AZ0404869 / 3100
2004 Coliform (TCR) MCL 1 SDWIS / AZ0404869 / 3100

How Usda Tnf Grapevine Group Water System Compares

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

Metric Usda Tnf Grapevine Group Water System Arizona avg Federal benchmark
Total violations 204 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 31 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 241 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 Usda Tnf Grapevine Group Water System water safe to drink?
Usda Tnf Grapevine Group Water System (PWS ID: AZ0404869) has 204 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 241 people using Groundwater sources.
How many people does Usda Tnf Grapevine Group Water System serve?
Usda Tnf Grapevine Group Water System serves 241 people in Phoenix, Arizona. It is a Federal-owned system using Groundwater water sources with 189 service connections.
What type of violations does Usda Tnf Grapevine Group Water System have?
Usda Tnf Grapevine Group Water System has 204 total violations: 31 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Usda Tnf Grapevine Group Water System water?
No PFAS testing data is available for Usda Tnf Grapevine Group Water System under the EPA's UCMR5 monitoring program.
What water source does Usda Tnf Grapevine Group Water System use?
Usda Tnf Grapevine Group Water System uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.