PlainWater

Community Water System · PWS SD4602287

Viewfield Rural Water System

Black Hawk, South Dakota 57718 - drinking water served from groundwater sources to 220 people, tracked in EPA SDWIS and UCMR5.

220
People served
129
EPA violations
129
Health-based
Untested
UCMR5 result

The verdict

EPA records 129 drinking-water violations at Viewfield Rural Water System, 100% of them health-based - above the South Dakota per-system average.

129
Total EPA violations on record
100%
Health-based (MCL / treatment failure)
220
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Viewfield Rural Water System

Viewfield Rural Water System is a private-owned community water system that delivers drinking water to 220 residents in Black Hawk, South Dakota (Meade County) through 88 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 129 total violations for this system , of which 129 (100%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 101 violations (MCL, health-based). 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. Statewide, 42 of 49 UCMR5-tested systems have reported PFAS detections (85.7%).

Viewfield Rural Water System's 129 violations sit above the South Dakota average.

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
220
Total Violations
129
Health-Based Violations
129
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
88
County
Meade
School/Daycare
No
MCL Violations
129
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 101 2020
Gross Alpha, Excl. Radon and U MCL 28 2020

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 Viewfield Rural Water System.

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 SD4602287 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
2020 Combined Radium (-226 and -228) MCL 101 SDWIS / SD4602287 / 4010
2020 Gross Alpha, Excl. Radon and U MCL 28 SDWIS / SD4602287 / 4000

How Viewfield Rural Water System Compares

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

Metric Viewfield Rural Water System South Dakota avg Federal benchmark
Total violations 129 86 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 129 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 220 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 (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 Viewfield Rural Water System water safe to drink?
Viewfield Rural Water System (PWS ID: SD4602287) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 220 people using Groundwater sources.
How many people does Viewfield Rural Water System serve?
Viewfield Rural Water System serves 220 people in Black Hawk, South Dakota. It is a Private-owned system using Groundwater water sources with 88 service connections.
What type of violations does Viewfield Rural Water System have?
Viewfield Rural Water System has 129 total violations: 129 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Viewfield Rural Water System water?
No PFAS testing data is available for Viewfield Rural Water System under the EPA's UCMR5 monitoring program.
What water source does Viewfield Rural Water System use?
Viewfield Rural Water System 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.