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COUNTRY ROAD ESTATES

PWS ID: SD4602204 · BLACK HAWK, South Dakota 57718

COUNTRY ROAD ESTATES serves 112 people in BLACK HAWK, South Dakota using Groundwater water sources. It has 159 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COUNTRY ROAD ESTATES

COUNTRY ROAD ESTATES is a private-owned community water system that delivers drinking water to 112 residents in BLACK HAWK, South Dakota (Pennington County) through 45 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 159 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 159 monitoring and reporting violations are on file. The most recent violation on record dates to 2003.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 4 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. COUNTRY ROAD ESTATES's 159 violations sit above 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
112
Total Violations
159
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
45
County
Pennington
School/Daycare
No
MCL Violations
0
Monitoring Violations
159
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MR 4 2002
Vinyl chloride MR 4 2002
1,1,1-Trichloroethane MR 4 2002
Tetrachloroethylene MR 4 2002
DICHLOROMETHANE MR 4 2002
1,2,4-Trichlorobenzene MR 4 2002
1,1,2-Trichloroethane MR 4 2002
Xylenes, Total MR 4 2002
1,1-Dichloroethylene MR 4 2002
Carbon tetrachloride MR 4 2002
Styrene MR 4 2002
o-Dichlorobenzene MR 4 2002
Benzene MR 4 2002
1,2-Dichloroethane MR 4 2002
Trichloroethylene MR 4 2002
cis-1,2-Dichloroethylene MR 4 2002
Ethylbenzene MR 4 2002
trans-1,2-Dichloroethylene MR 4 2002
1,2-Dichloropropane MR 4 2002
p-Dichlorobenzene MR 4 2002
LASSO MR 4 2003
Atrazine MR 4 2003
Benzo(a)pyrene MR 4 2003
Di(2-ethylhexyl) phthalate MR 4 2003
Hexachlorocyclopentadiene MR 4 2003
HEXACHLOROBENZENE MR 4 2003
Toxaphene MR 4 2003
Simazine MR 4 2003
Heptachlor epoxide MR 4 2003
Methoxychlor MR 4 2003

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 COUNTRY ROAD ESTATES.

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 SD4602204 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
2003 LASSO MR 4 SDWIS / SD4602204 / 2051
2003 Atrazine MR 4 SDWIS / SD4602204 / 2050
2003 Benzo(a)pyrene MR 4 SDWIS / SD4602204 / 2306
2003 Di(2-ethylhexyl) phthalate MR 4 SDWIS / SD4602204 / 2039
2003 Hexachlorocyclopentadiene MR 4 SDWIS / SD4602204 / 2042
2003 HEXACHLOROBENZENE MR 4 SDWIS / SD4602204 / 2274
2003 Toxaphene MR 4 SDWIS / SD4602204 / 2020
2003 Simazine MR 4 SDWIS / SD4602204 / 2037
2003 Heptachlor epoxide MR 4 SDWIS / SD4602204 / 2067
2003 Methoxychlor MR 4 SDWIS / SD4602204 / 2015
2003 Di(2-ethylhexyl) adipate MR 4 SDWIS / SD4602204 / 2035
2003 BHC-GAMMA MR 4 SDWIS / SD4602204 / 2010
2003 Chlordane MR 4 SDWIS / SD4602204 / 2959
2003 Heptachlor MR 4 SDWIS / SD4602204 / 2065
2003 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / SD4602204 / 2383

How COUNTRY ROAD ESTATES Compares

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

Metric COUNTRY ROAD ESTATES South Dakota avg Federal benchmark
Total violations 159 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 112 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 COUNTRY ROAD ESTATES water safe to drink? ▼
COUNTRY ROAD ESTATES (PWS ID: SD4602204) has 159 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 112 people using Groundwater sources.
How many people does COUNTRY ROAD ESTATES serve? ▼
COUNTRY ROAD ESTATES serves 112 people in BLACK HAWK, South Dakota. It is a Private-owned system using Groundwater water sources with 45 service connections.
What type of violations does COUNTRY ROAD ESTATES have? ▼
COUNTRY ROAD ESTATES has 159 total violations: 0 health-based violations (MCL exceedances or treatment failures), 159 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COUNTRY ROAD ESTATES water? ▼
No PFAS testing data is available for COUNTRY ROAD ESTATES under the EPA's UCMR5 monitoring program.
What water source does COUNTRY ROAD ESTATES use? ▼
COUNTRY ROAD ESTATES 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.

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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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