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EAGLE WATER COMPANY

PWS ID: SD4602307 · BLACK HAWK, South Dakota 57718

EAGLE WATER COMPANY serves 48 people in BLACK HAWK, South Dakota using Surface Water water sources. It has 44 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: EAGLE WATER COMPANY

EAGLE WATER COMPANY is a private-owned community water system that delivers drinking water to 48 residents in BLACK HAWK, South Dakota (Lawrence County) through 19 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 2 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 42 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is cis-1,2-Dichloroethylene, recorded in 2 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 South Dakota, EPA tracks 654 public water systems serving 915,901 people, with 56,254 cumulative violations and 8,399 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 86 violations. EAGLE WATER COMPANY's 44 violations sit below the South Dakota average. Statewide, 42 of 49 UCMR5-tested systems have reported PFAS detections (85.7%). 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
48
Total Violations
44
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Lawrence
School/Daycare
No
MCL Violations
0
Monitoring Violations
42
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 2 2012
Tetrachloroethylene MR 2 2012
DICHLOROMETHANE MR 2 2012
1,2,4-Trichlorobenzene MR 2 2012
1,1-Dichloroethylene MR 2 2012
Carbon tetrachloride MR 2 2012
CHLOROBENZENE MR 2 2012
o-Dichlorobenzene MR 2 2012
Benzene MR 2 2012
1,2-Dichloroethane MR 2 2012
Toluene MR 2 2012
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 2015
p-Dichlorobenzene MR 2 2012
Vinyl chloride MR 2 2012
1,1,2-Trichloroethane MR 2 2012
Xylenes, Total MR 2 2012
Ethylbenzene MR 2 2012
1,2-Dichloropropane MR 2 2012
Styrene MR 2 2012
Trichloroethylene MR 2 2012
trans-1,2-Dichloroethylene MR 2 2012
1,1,1-Trichloroethane MR 2 2012

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 EAGLE WATER COMPANY.

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 SD4602307 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Dakota Drinking Water Authority

South Dakota'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 SD 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
2015 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 SDWIS / SD4602307 / 0400
2012 cis-1,2-Dichloroethylene MR 2 SDWIS / SD4602307 / 2380
2012 Tetrachloroethylene MR 2 SDWIS / SD4602307 / 2987
2012 DICHLOROMETHANE MR 2 SDWIS / SD4602307 / 2964
2012 1,2,4-Trichlorobenzene MR 2 SDWIS / SD4602307 / 2378
2012 1,1-Dichloroethylene MR 2 SDWIS / SD4602307 / 2977
2012 Carbon tetrachloride MR 2 SDWIS / SD4602307 / 2982
2012 CHLOROBENZENE MR 2 SDWIS / SD4602307 / 2989
2012 o-Dichlorobenzene MR 2 SDWIS / SD4602307 / 2968
2012 Benzene MR 2 SDWIS / SD4602307 / 2990
2012 1,2-Dichloroethane MR 2 SDWIS / SD4602307 / 2980
2012 Toluene MR 2 SDWIS / SD4602307 / 2991
2012 p-Dichlorobenzene MR 2 SDWIS / SD4602307 / 2969
2012 Vinyl chloride MR 2 SDWIS / SD4602307 / 2976
2012 1,1,2-Trichloroethane MR 2 SDWIS / SD4602307 / 2985

How EAGLE WATER COMPANY Compares

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

Metric EAGLE WATER COMPANY South Dakota avg Federal benchmark
Total violations 44 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 12.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 85.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 48 1,400 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 654 regulated public water systems in South Dakota.

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 EAGLE WATER COMPANY water safe to drink? ▼
EAGLE WATER COMPANY (PWS ID: SD4602307) has 44 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48 people using Surface Water sources.
How many people does EAGLE WATER COMPANY serve? ▼
EAGLE WATER COMPANY serves 48 people in BLACK HAWK, South Dakota. It is a Private-owned system using Surface Water water sources with 19 service connections.
What type of violations does EAGLE WATER COMPANY have? ▼
EAGLE WATER COMPANY has 44 total violations: 2 health-based violations (MCL exceedances or treatment failures), 42 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EAGLE WATER COMPANY water? ▼
No PFAS testing data is available for EAGLE WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does EAGLE WATER COMPANY use? ▼
EAGLE WATER COMPANY 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 Kiznis Studio Editorial