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Community Water System · PWS 090600129

Fort Independence

Independence, EPA Region 9 — Tribal Water Systems 93526 - drinking water served from groundwater sources to 120 people, tracked in EPA SDWIS and UCMR5.

120
People served
153
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 153 drinking-water violations at Fort Independence, 4% of them health-based.

153
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
120
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fort Independence

Fort Independence is a native american-owned community water system that delivers drinking water to 120 residents in Independence, EPA Region 9 — Tribal Water Systems through 55 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 153 total violations for this system , of which 6 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 92 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 32 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 9 — 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
120
Total Violations
153
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
55
School/Daycare
No
MCL Violations
6
Monitoring Violations
92
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 32 2015
Nitrate MR 8 2024
Consumer Confidence Rule Other 8 2020
Coliform (TCR) MCL 6 2008
Chlorine MR 5 2024
TTHM MR 4 2017
Total Haloacetic Acids (HAA5) MR 4 2017
Revised Total Coliform Rule MON 4 2024
Arsenic MR 2 2017
Lead and Copper Rule MR 2 2017
Barium MR 1 2014
Fluoride MR 1 2014
Mercury MR 1 2014
Selenium MR 1 2014
cis-1,2-Dichloroethylene MR 1 2017
Xylenes, Total MR 1 2017
o-Dichlorobenzene MR 1 2017
Vinyl chloride MR 1 2017
1,1-Dichloroethylene MR 1 2017
1,2-Dichloroethane MR 1 2017
1,1,2-Trichloroethane MR 1 2017
trans-1,2-Dichloroethylene MR 1 2017
1,1,1-Trichloroethane MR 1 2017
Carbon tetrachloride MR 1 2017
Trichloroethylene MR 1 2017
Tetrachloroethylene MR 1 2017
CHLOROBENZENE MR 1 2017
Ethylbenzene MR 1 2017
Gross Alpha, Excl. Radon and U MR 1 2011
Combined Uranium MR 1 2011

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 Fort Independence.

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 090600129 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — 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 09 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
2024 Nitrate MR 8 SDWIS / 090600129 / 1040
2024 Chlorine MR 5 SDWIS / 090600129 / 0999
2024 Revised Total Coliform Rule MON 4 SDWIS / 090600129 / 8000
2021 Public Notice Other 1 SDWIS / 090600129 / 7500
2021 E. COLI MR 1 SDWIS / 090600129 / 3014
2020 Consumer Confidence Rule Other 8 SDWIS / 090600129 / 7000
2017 TTHM MR 4 SDWIS / 090600129 / 2950
2017 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 090600129 / 2456
2017 Arsenic MR 2 SDWIS / 090600129 / 1005
2017 Lead and Copper Rule MR 2 SDWIS / 090600129 / 5000
2017 cis-1,2-Dichloroethylene MR 1 SDWIS / 090600129 / 2380
2017 Xylenes, Total MR 1 SDWIS / 090600129 / 2955
2017 o-Dichlorobenzene MR 1 SDWIS / 090600129 / 2968
2017 Vinyl chloride MR 1 SDWIS / 090600129 / 2976
2017 1,1-Dichloroethylene MR 1 SDWIS / 090600129 / 2977

How Fort Independence Compares

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

Metric Fort Independence EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 153 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 120 - 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 9 — 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 Fort Independence water safe to drink?
Fort Independence (PWS ID: 090600129) has 153 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 120 people using Groundwater sources.
How many people does Fort Independence serve?
Fort Independence serves 120 people in Independence, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 55 service connections.
What type of violations does Fort Independence have?
Fort Independence has 153 total violations: 6 health-based violations (MCL exceedances or treatment failures), 92 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fort Independence water?
No PFAS testing data is available for Fort Independence under the EPA's UCMR5 monitoring program.
What water source does Fort Independence use?
Fort Independence 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.
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.