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WOUNDED KNEE DISTRICT SCHOOL

PWS ID: 084690467 · MANDERSON, 08 57756

WOUNDED KNEE DISTRICT SCHOOL serves 280 people in MANDERSON, 08 using Surface Water water sources. It has 153 recorded EPA violations, including 13 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WOUNDED KNEE DISTRICT SCHOOL

WOUNDED KNEE DISTRICT SCHOOL is a federal-owned community water system that delivers drinking water to 280 residents in MANDERSON, 08 through 30 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 153 total violations for this system , of which 13 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 136 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 24 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 08, EPA tracks 160 public water systems serving 144,980 people, with 13,068 cumulative violations and 1,547 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 81.7 violations. WOUNDED KNEE DISTRICT SCHOOL's 153 violations sit above the 08 average. Statewide, 10 of 13 UCMR5-tested systems have reported PFAS detections (76.9%). 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
280
Total Violations
153
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
30
School/Daycare
No
MCL Violations
11
Monitoring Violations
136
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2015
Lead and Copper Rule MR 10 2024
Coliform (TCR) MCL 10 2011
Chlorine MR 5 2009
Nitrate MR 4 2010
TTHM MR 4 2025
Total Haloacetic Acids (HAA5) MR 4 2025
1,2,4-Trichlorobenzene MR 2 2008
cis-1,2-Dichloroethylene MR 2 2008
Xylenes, Total MR 2 2008
DICHLOROMETHANE MR 2 2008
o-Dichlorobenzene MR 2 2008
p-Dichlorobenzene MR 2 2008
trans-1,2-Dichloroethylene MR 2 2008
1,1,1-Trichloroethane MR 2 2008
Carbon tetrachloride MR 2 2008
1,1,2-Trichloroethane MR 2 2008
CHLOROBENZENE MR 2 2008
Benzene MR 2 2008
Toluene MR 2 2008
Ethylbenzene MR 2 2008
Revised Total Coliform Rule MON 2 2022
Gross Alpha, Excl. Radon and U MR 2 1982
Surface Water Treatment Rule MR 2 2023
Tetrachloroethylene MR 2 2008
1,2-Dichloroethane MR 2 2008
Consumer Confidence Rule Other 2 2007
Trichloroethylene MR 2 2008
Styrene MR 2 2008
Vinyl chloride MR 2 2008

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 WOUNDED KNEE DISTRICT SCHOOL.

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 084690467 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

08 Drinking Water Authority

08'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 / 084690467 / 2950
2025 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 084690467 / 2456
2024 Lead and Copper Rule MR 10 SDWIS / 084690467 / 5000
2023 Surface Water Treatment Rule MR 2 SDWIS / 084690467 / 0200
2022 Revised Total Coliform Rule MON 2 SDWIS / 084690467 / 8000
2022 Surface Water Treatment Rule TT 1 SDWIS / 084690467 / 0200
2015 Coliform (TCR) MR 24 SDWIS / 084690467 / 3100
2015 Groundwater Rule TT 1 SDWIS / 084690467 / 0700
2011 Coliform (TCR) MCL 10 SDWIS / 084690467 / 3100
2010 Nitrate MR 4 SDWIS / 084690467 / 1040
2009 Chlorine MR 5 SDWIS / 084690467 / 0999
2008 1,2,4-Trichlorobenzene MR 2 SDWIS / 084690467 / 2378
2008 cis-1,2-Dichloroethylene MR 2 SDWIS / 084690467 / 2380
2008 Xylenes, Total MR 2 SDWIS / 084690467 / 2955
2008 DICHLOROMETHANE MR 2 SDWIS / 084690467 / 2964

How WOUNDED KNEE DISTRICT SCHOOL Compares

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

Metric WOUNDED KNEE DISTRICT SCHOOL 08 avg Federal benchmark
Total violations 153 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 13 9.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 76.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 280 906 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 160 regulated public water systems in 08.

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 WOUNDED KNEE DISTRICT SCHOOL water safe to drink? ▼
WOUNDED KNEE DISTRICT SCHOOL (PWS ID: 084690467) has 153 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 280 people using Surface Water sources.
How many people does WOUNDED KNEE DISTRICT SCHOOL serve? ▼
WOUNDED KNEE DISTRICT SCHOOL serves 280 people in MANDERSON, 08. It is a Federal-owned system using Surface Water water sources with 30 service connections.
What type of violations does WOUNDED KNEE DISTRICT SCHOOL have? ▼
WOUNDED KNEE DISTRICT SCHOOL has 153 total violations: 13 health-based violations (MCL exceedances or treatment failures), 136 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WOUNDED KNEE DISTRICT SCHOOL water? ▼
No PFAS testing data is available for WOUNDED KNEE DISTRICT SCHOOL under the EPA's UCMR5 monitoring program.
What water source does WOUNDED KNEE DISTRICT SCHOOL use? ▼
WOUNDED KNEE DISTRICT SCHOOL 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. 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