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States → EPA Region 8 — Tribal Water Systems

Community Water System · PWS 084690030

North Allen Water System

Pine Ridge, EPA Region 8 — Tribal Water Systems 57770 - drinking water served from surface water sources to 37 people, tracked in EPA SDWIS and UCMR5.

37
People served
24
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 24 drinking-water violations at North Allen Water System, 8% of them health-based.

24
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
37
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Allen Water System

North Allen Water System is a native american-owned community water system that delivers drinking water to 37 residents in Pine Ridge, EPA Region 8 — Tribal Water Systems through 5 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 2 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 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 Coliform (TCR), recorded in 7 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 8 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
37
Total Violations
24
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
5
School/Daycare
No
MCL Violations
1
Monitoring Violations
20
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2015
TTHM MR 4 2025
Total Haloacetic Acids (HAA5) MR 4 2025
Revised Total Coliform Rule MON 3 2019
Consumer Confidence Rule Other 2 2013
Lead and Copper Rule MR 2 2023
Long Term 2 Enhanced Surface Water Treatment Rule TT 1 2022
Coliform (TCR) MCL 1 2015

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 North Allen 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 084690030 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 8 — Tribal Water Systems Drinking Water Authority

EPA Region 8 — Tribal Water Systems'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 08 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 TTHM MR 4 SDWIS / 084690030 / 2950
2025 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 084690030 / 2456
2023 Lead and Copper Rule MR 2 SDWIS / 084690030 / 5000
2022 Long Term 2 Enhanced Surface Water Treatment Rule TT 1 SDWIS / 084690030 / 0800
2019 Revised Total Coliform Rule MON 3 SDWIS / 084690030 / 8000
2015 Coliform (TCR) MR 7 SDWIS / 084690030 / 3100
2015 Coliform (TCR) MCL 1 SDWIS / 084690030 / 3100
2013 Consumer Confidence Rule Other 2 SDWIS / 084690030 / 7000

How North Allen Water System Compares

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

Metric North Allen Water System EPA Region 8 — Tribal Water Systems avg Federal benchmark
Total violations 24 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 37 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 8 — Tribal Water Systems.

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 North Allen Water System water safe to drink? ▼
North Allen Water System (PWS ID: 084690030) has 24 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 37 people using Surface Water sources.
How many people does North Allen Water System serve? ▼
North Allen Water System serves 37 people in Pine Ridge, EPA Region 8 — Tribal Water Systems. It is a Native American-owned system using Surface Water water sources with 5 service connections.
What type of violations does North Allen Water System have? ▼
North Allen Water System has 24 total violations: 2 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Allen Water System water? ▼
No PFAS testing data is available for North Allen Water System under the EPA's UCMR5 monitoring program.
What water source does North Allen Water System use? ▼
North Allen Water System 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.