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WARM SPRINGS WATER TREATMENT PLANT

PWS ID: 104101247 · WARM SPRINGS, 10 97761

WARM SPRINGS WATER TREATMENT PLANT serves 3,800 people in WARM SPRINGS, 10 using Surface Water water sources. It has 383 recorded EPA violations, including 58 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WARM SPRINGS WATER TREATMENT PLANT

WARM SPRINGS WATER TREATMENT PLANT is a native american-owned community water system that delivers drinking water to 3,800 residents in WARM SPRINGS, 10 through 1,366 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 383 total violations for this system , of which 58 (15%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 301 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 Long Term 2 Enhanced Surface Water Treatment Rule, recorded in 52 violations (TT, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across 10, EPA tracks 158 public water systems serving 142,574 people, with 31,953 cumulative violations and 1,055 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 202.2 violations. WARM SPRINGS WATER TREATMENT PLANT's 383 violations sit above the 10 average. Statewide, 2 of 10 UCMR5-tested systems have reported PFAS detections (20%). 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
3,800
Total Violations
383
Health-Based Violations
58
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
1,366
School/Daycare
No
MCL Violations
2
Monitoring Violations
301
Treatment Tech Violations
56

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Long Term 2 Enhanced Surface Water Treatment Rule TT 52 2025
CARBON, TOTAL MR 14 2025
Consumer Confidence Rule Other 12 2023
Surface Water Treatment Rule MR 11 2025
Nitrate MR 10 2024
Total Haloacetic Acids (HAA5) MR 9 2024
TTHM MR 9 2024
Public Notice Other 9 2025
Coliform (TCR) MR 7 2011
Benzene MR 7 2024
Interim Enhanced Surface Water Treatment Rule MR 6 2025
Thallium, Total MR 5 2024
Selenium MR 5 2024
cis-1,2-Dichloroethylene MR 5 2024
Xylenes, Total MR 5 2024
DICHLOROMETHANE MR 5 2024
Chromium MR 5 2024
p-Dichlorobenzene MR 5 2024
Fluoride MR 5 2024
Mercury MR 5 2024
1,2,4-Trichlorobenzene MR 5 2024
Barium MR 5 2024
o-Dichlorobenzene MR 5 2024
1,1-Dichloroethylene MR 5 2024
trans-1,2-Dichloroethylene MR 5 2024
1,2-Dichloroethane MR 5 2024
Carbon tetrachloride MR 5 2024
1,2-Dichloropropane MR 5 2024
Trichloroethylene MR 5 2024
Tetrachloroethylene MR 5 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 7/9/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFNA 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/9/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/9/2025 <9 µg/L 9 µg/L Not Detected
PFDA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/9/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/9/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFOA 6/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/2/2025 <9 µg/L 9 µg/L Not Detected
PFBS 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/2/2025 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 6/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/2/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 6/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/2/2025 <0.02 µg/L 0.02 µg/L 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 WARM SPRINGS WATER TREATMENT PLANT.

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 104101247 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

10 Drinking Water Authority

10's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 10 regulator via EPA SDWIS

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 Long Term 2 Enhanced Surface Water Treatment Rule TT 52 SDWIS / 104101247 / 0800
2025 CARBON, TOTAL MR 14 SDWIS / 104101247 / 2920
2025 Surface Water Treatment Rule MR 11 SDWIS / 104101247 / 0200
2025 Public Notice Other 9 SDWIS / 104101247 / 7500
2025 Interim Enhanced Surface Water Treatment Rule MR 6 SDWIS / 104101247 / 0300
2025 Chlorine MR 5 SDWIS / 104101247 / 0999
2025 Revised Total Coliform Rule MON 1 SDWIS / 104101247 / 8000
2024 Nitrate MR 10 SDWIS / 104101247 / 1040
2024 Total Haloacetic Acids (HAA5) MR 9 SDWIS / 104101247 / 2456
2024 TTHM MR 9 SDWIS / 104101247 / 2950
2024 Benzene MR 7 SDWIS / 104101247 / 2990
2024 Thallium, Total MR 5 SDWIS / 104101247 / 1085
2024 Selenium MR 5 SDWIS / 104101247 / 1045
2024 cis-1,2-Dichloroethylene MR 5 SDWIS / 104101247 / 2380
2024 Xylenes, Total MR 5 SDWIS / 104101247 / 2955

How WARM SPRINGS WATER TREATMENT PLANT Compares

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

Metric WARM SPRINGS WATER TREATMENT PLANT 10 avg Federal benchmark
Total violations 383 202.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 58 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 20% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,800 902 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 158 regulated public water systems in 10.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WARM SPRINGS WATER TREATMENT PLANT water safe to drink? ▼
WARM SPRINGS WATER TREATMENT PLANT (PWS ID: 104101247) has 383 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,800 people using Surface Water sources.
How many people does WARM SPRINGS WATER TREATMENT PLANT serve? ▼
WARM SPRINGS WATER TREATMENT PLANT serves 3,800 people in WARM SPRINGS, 10. It is a Native American-owned system using Surface Water water sources with 1,366 service connections.
What type of violations does WARM SPRINGS WATER TREATMENT PLANT have? ▼
WARM SPRINGS WATER TREATMENT PLANT has 383 total violations: 58 health-based violations (MCL exceedances or treatment failures), 301 monitoring/reporting violations, and 56 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WARM SPRINGS WATER TREATMENT PLANT water? ▼
No. WARM SPRINGS WATER TREATMENT PLANT was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does WARM SPRINGS WATER TREATMENT PLANT use? ▼
WARM SPRINGS WATER TREATMENT PLANT 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial