PlainWater

HIGH COUNTRY-RANCH WEST WELL

PWS ID: SD4602238 · BLACK HAWK, South Dakota 57718

HIGH COUNTRY-RANCH WEST WELL serves 58 people in BLACK HAWK, South Dakota using Groundwater water sources. It has 16 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HIGH COUNTRY-RANCH WEST WELL

HIGH COUNTRY-RANCH WEST WELL is a private-owned transient non-community water system that delivers drinking water to 58 residents in BLACK HAWK, South Dakota (Pennington County) through 23 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 16 total violations for this system , of which 2 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 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 Revised Total Coliform Rule, recorded in 14 violations (MON). 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. HIGH COUNTRY-RANCH WEST WELL's 16 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
58
Total Violations
16
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
23
County
Pennington
School/Daycare
No
MCL Violations
0
Monitoring Violations
14
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 14 2024
Groundwater Rule TT 2 2015

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 HIGH COUNTRY-RANCH WEST WELL.

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 SD4602238 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
2024 Revised Total Coliform Rule MON 14 SDWIS / SD4602238 / 8000
2015 Groundwater Rule TT 2 SDWIS / SD4602238 / 0700

How HIGH COUNTRY-RANCH WEST WELL Compares

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

Metric HIGH COUNTRY-RANCH WEST WELL South Dakota avg Federal benchmark
Total violations 16 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 58 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 HIGH COUNTRY-RANCH WEST WELL water safe to drink?
HIGH COUNTRY-RANCH WEST WELL (PWS ID: SD4602238) has 16 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 58 people using Groundwater sources.
How many people does HIGH COUNTRY-RANCH WEST WELL serve?
HIGH COUNTRY-RANCH WEST WELL serves 58 people in BLACK HAWK, South Dakota. It is a Private-owned system using Groundwater water sources with 23 service connections.
What type of violations does HIGH COUNTRY-RANCH WEST WELL have?
HIGH COUNTRY-RANCH WEST WELL has 16 total violations: 2 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HIGH COUNTRY-RANCH WEST WELL water?
No PFAS testing data is available for HIGH COUNTRY-RANCH WEST WELL under the EPA's UCMR5 monitoring program.
What water source does HIGH COUNTRY-RANCH WEST WELL use?
HIGH COUNTRY-RANCH WEST WELL 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial