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Transient Non-Community Water System · PWS 104121114

Indian Lake Campground

Pendleton, EPA Region 10 — Tribal Water Systems 97801 - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
30
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 30 drinking-water violations at Indian Lake Campground, 10% of them health-based.

30
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Indian Lake Campground

Indian Lake Campground is a native american-owned transient non-community water system that delivers drinking water to 200 residents in Pendleton, EPA Region 10 — Tribal Water Systems through 39 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 30 total violations for this system , of which 3 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 26 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Nitrate, recorded in 13 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 10 — 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
200
Total Violations
30
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Native American
Connections
39
School/Daycare
No
MCL Violations
3
Monitoring Violations
26
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 13 2017
Coliform (TCR) MR 11 2014
Revised Total Coliform Rule MCL 3 2016
Revised Total Coliform Rule MON 1 2016
Revised Total Coliform Rule RPT 1 2023
E. COLI MR 1 2019

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 Indian Lake Campground.

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 104121114 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 10 — Tribal Water Systems Drinking Water Authority

EPA Region 10 — 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 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
2023 Revised Total Coliform Rule RPT 1 SDWIS / 104121114 / 8000
2019 E. COLI MR 1 SDWIS / 104121114 / 3014
2017 Nitrate MR 13 SDWIS / 104121114 / 1040
2016 Revised Total Coliform Rule MCL 3 SDWIS / 104121114 / 8000
2016 Revised Total Coliform Rule MON 1 SDWIS / 104121114 / 8000
2014 Coliform (TCR) MR 11 SDWIS / 104121114 / 3100

How Indian Lake Campground Compares

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

Metric Indian Lake Campground EPA Region 10 — Tribal Water Systems avg Federal benchmark
Total violations 30 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 200 - 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 10 — 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 Indian Lake Campground water safe to drink?
Indian Lake Campground (PWS ID: 104121114) has 30 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Indian Lake Campground serve?
Indian Lake Campground serves 200 people in Pendleton, EPA Region 10 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 39 service connections.
What type of violations does Indian Lake Campground have?
Indian Lake Campground has 30 total violations: 3 health-based violations (MCL exceedances or treatment failures), 26 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Indian Lake Campground water?
No PFAS testing data is available for Indian Lake Campground under the EPA's UCMR5 monitoring program.
What water source does Indian Lake Campground use?
Indian Lake Campground 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.