PlainWater

WAKONDA

PWS ID: SD4600349 · WAKONDA, South Dakota 57073

WAKONDA serves 276 people in WAKONDA, South Dakota using Groundwater water sources. It has 18 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WAKONDA

WAKONDA is a local-owned community water system that delivers drinking water to 276 residents in WAKONDA, South Dakota (Clay County) through 163 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 18 total violations for this system , of which 6 (33%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Stage 1 Disinfectants and Disinfection Byproducts Rule, recorded in 4 violations (TT, 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. WAKONDA's 18 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
276
Total Violations
18
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
163
County
Clay
School/Daycare
No
MCL Violations
0
Monitoring Violations
11
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2020
Lead and Copper Rule MR 3 1996
Revised Total Coliform Rule MON 3 2016
Chlorine MR 3 2016
Groundwater Rule TT 2 2022
Combined Radium (-226 and -228) MR 1 1976
Gross Alpha, Excl. Radon and U MR 1 1976

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 WAKONDA.

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 SD4600349 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
2022 Groundwater Rule TT 2 SDWIS / SD4600349 / 0700
2020 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / SD4600349 / 0400
2016 Revised Total Coliform Rule MON 3 SDWIS / SD4600349 / 8000
2016 Chlorine MR 3 SDWIS / SD4600349 / 0999
1996 Lead and Copper Rule MR 3 SDWIS / SD4600349 / 5000
1976 Combined Radium (-226 and -228) MR 1 SDWIS / SD4600349 / 4010
1976 Gross Alpha, Excl. Radon and U MR 1 SDWIS / SD4600349 / 4000

How WAKONDA Compares

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

Metric WAKONDA South Dakota avg Federal benchmark
Total violations 18 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 276 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 WAKONDA water safe to drink?
WAKONDA (PWS ID: SD4600349) has 18 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 276 people using Groundwater sources.
How many people does WAKONDA serve?
WAKONDA serves 276 people in WAKONDA, South Dakota. It is a Local-owned system using Groundwater water sources with 163 service connections.
What type of violations does WAKONDA have?
WAKONDA has 18 total violations: 6 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WAKONDA water?
No PFAS testing data is available for WAKONDA under the EPA's UCMR5 monitoring program.
What water source does WAKONDA use?
WAKONDA 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

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