PlainWater
States → South Dakota

WASTA

PWS ID: SD4600352 · WASTA, South Dakota 57791

WASTA serves 84 people in WASTA, South Dakota using Groundwater water sources. It has 130 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WASTA

WASTA is a local-owned community water system that delivers drinking water to 84 residents in WASTA, South Dakota (Pennington County) through 56 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 130 total violations for this system , of which 11 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 100 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 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. WASTA's 130 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
84
Total Violations
130
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
56
County
Pennington
School/Daycare
No
MCL Violations
11
Monitoring Violations
100
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2000
Lead and Copper Rule MR 16 2003
Coliform (TCR) MCL 11 2000
Nitrate MR 7 2006
Gross Alpha, Excl. Radon and U MR 4 1990
Combined Radium (-226 and -228) MR 4 1990
Chlorine MR 2 2023
Asbestos MR 2 1993
cis-1,2-Dichloroethylene MR 2 1994
Tetrachloroethylene MR 2 1994
Ethylbenzene MR 2 1994
DICHLOROMETHANE MR 2 1994
1,1-Dichloroethylene MR 2 1994
Carbon tetrachloride MR 2 1994
o-Dichlorobenzene MR 2 1994
trans-1,2-Dichloroethylene MR 2 1994
1,2-Dichloropropane MR 2 1994
Benzene MR 2 1994
p-Dichlorobenzene MR 2 1994
1,2-Dichloroethane MR 2 1994
Trichloroethylene MR 2 1994
1,2,4-Trichlorobenzene MR 2 1994
1,1,2-Trichloroethane MR 2 1994
Xylenes, Total MR 2 1994
Toluene MR 2 1994
Vinyl chloride MR 2 1994
CHLOROBENZENE MR 2 1994
1,1,1-Trichloroethane MR 2 1994
Styrene MR 2 1994
Public Notice Other 1 2007

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 WASTA.

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 SD4600352 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
2023 Chlorine MR 2 SDWIS / SD4600352 / 0999
2007 Public Notice Other 1 SDWIS / SD4600352 / 7500
2006 Nitrate MR 7 SDWIS / SD4600352 / 1040
2003 Lead and Copper Rule MR 16 SDWIS / SD4600352 / 5000
2000 Coliform (TCR) MR 23 SDWIS / SD4600352 / 3100
2000 Coliform (TCR) MCL 11 SDWIS / SD4600352 / 3100
2000 Coliform (TCR) Other 1 SDWIS / SD4600352 / 3100
1994 cis-1,2-Dichloroethylene MR 2 SDWIS / SD4600352 / 2380
1994 Tetrachloroethylene MR 2 SDWIS / SD4600352 / 2987
1994 Ethylbenzene MR 2 SDWIS / SD4600352 / 2992
1994 DICHLOROMETHANE MR 2 SDWIS / SD4600352 / 2964
1994 1,1-Dichloroethylene MR 2 SDWIS / SD4600352 / 2977
1994 Carbon tetrachloride MR 2 SDWIS / SD4600352 / 2982
1994 o-Dichlorobenzene MR 2 SDWIS / SD4600352 / 2968
1994 trans-1,2-Dichloroethylene MR 2 SDWIS / SD4600352 / 2979

How WASTA Compares

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

Metric WASTA South Dakota avg Federal benchmark
Total violations 130 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 84 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 WASTA water safe to drink? ▼
WASTA (PWS ID: SD4600352) has 130 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 84 people using Groundwater sources.
How many people does WASTA serve? ▼
WASTA serves 84 people in WASTA, South Dakota. It is a Local-owned system using Groundwater water sources with 56 service connections.
What type of violations does WASTA have? ▼
WASTA has 130 total violations: 11 health-based violations (MCL exceedances or treatment failures), 100 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WASTA water? ▼
No PFAS testing data is available for WASTA under the EPA's UCMR5 monitoring program.
What water source does WASTA use? ▼
WASTA 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.

Explore PlainWater

Water in South Dakota

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for South Dakota

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

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