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Community Water System · PWS 083090061

Ashland Community Water System

Lame Deer, EPA Region 8 — Tribal Water Systems 59043 - drinking water served from groundwater sources to 265 people, tracked in EPA SDWIS and UCMR5.

265
People served
68
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Ashland Community Water System, 41% of them health-based.

68
Total EPA violations on record
41%
Health-based (MCL / treatment failure)
265
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ashland Community Water System

Ashland Community Water System is a native american-owned community water system that delivers drinking water to 265 residents in Lame Deer, EPA Region 8 — Tribal Water Systems through 53 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 28 (41%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 24 violations (MCL, health-based). 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
265
Total Violations
68
Health-Based Violations
28
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
53
School/Daycare
No
MCL Violations
24
Monitoring Violations
37
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 24 2014
Coliform (TCR) MR 17 1998
Revised Total Coliform Rule MON 5 2022
Chlorine MR 4 2022
Groundwater Rule TT 4 2021
Gross Alpha, Excl. Radon and U MR 2 2013
Combined Radium (-226 and -228) MR 2 2013
E. COLI MR 1 2013
Total Haloacetic Acids (HAA5) MR 1 2017
Combined Uranium MR 1 2013
Radium-226 MR 1 2013
Nitrate-Nitrite MR 1 2021
Radium-228 MR 1 2013
TTHM MR 1 2017

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 Ashland Community 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 083090061 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
2022 Revised Total Coliform Rule MON 5 SDWIS / 083090061 / 8000
2022 Chlorine MR 4 SDWIS / 083090061 / 0999
2021 Groundwater Rule TT 4 SDWIS / 083090061 / 0700
2021 Nitrate-Nitrite MR 1 SDWIS / 083090061 / 1038
2017 Total Haloacetic Acids (HAA5) MR 1 SDWIS / 083090061 / 2456
2017 TTHM MR 1 SDWIS / 083090061 / 2950
2014 Coliform (TCR) MCL 24 SDWIS / 083090061 / 3100
2013 Gross Alpha, Excl. Radon and U MR 2 SDWIS / 083090061 / 4000
2013 Combined Radium (-226 and -228) MR 2 SDWIS / 083090061 / 4010
2013 E. COLI MR 1 SDWIS / 083090061 / 3014
2013 Combined Uranium MR 1 SDWIS / 083090061 / 4006
2013 Radium-226 MR 1 SDWIS / 083090061 / 4020
2013 Radium-228 MR 1 SDWIS / 083090061 / 4030
1998 Coliform (TCR) MR 17 SDWIS / 083090061 / 3100

How Ashland Community Water System Compares

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

Metric Ashland Community Water System EPA Region 8 — Tribal Water Systems avg Federal benchmark
Total violations 68 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 265 - 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 Ashland Community Water System water safe to drink? ▼
Ashland Community Water System (PWS ID: 083090061) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 265 people using Groundwater sources.
How many people does Ashland Community Water System serve? ▼
Ashland Community Water System serves 265 people in Lame Deer, EPA Region 8 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 53 service connections.
What type of violations does Ashland Community Water System have? ▼
Ashland Community Water System has 68 total violations: 28 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ashland Community Water System water? ▼
No PFAS testing data is available for Ashland Community Water System under the EPA's UCMR5 monitoring program.
What water source does Ashland Community Water System use? ▼
Ashland Community Water System 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.