A

Aberdeen, SD

Brown CountyPop. 28,495Source: James River / municipal wellfield (municipal water system)
A38/100

Contamination score

Higher = more contaminated vs. other cities.

Aberdeen's water utility was reported in compliance with federal health-based standards as of the EPA's most recent quarterly assessment, but PFAS compounds were detected (below current federal MCLs) during EPA's 2023-2025 UCMR5 unregulated-contaminant monitoring. In 2002, a local ethanol producer (Heartland Grain Fuels) pleaded guilty to a Clean Water Act violation for illegally discharging ethanol into Moccasin Creek, which reached the city's wastewater treatment facility — a historical industrial/wastewater issue distinct from the drinking-water supply itself.

⚠️8 health-based violations on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

Aberdeen

PWSID:
SD4600020
Source:
Surface water
Serves:
27,989 people

Northwood First Subdivision

PWSID:
SD4602342
Source:
Surface water
Serves:
90 people

Pleasant Valley Estates

PWSID:
SD4600404
Source:
Surface water
Serves:
105 people

Prairiewood Property Owners

PWSID:
SD4602125
Source:
Surface water
Serves:
300 people

Lakeside Estates

PWSID:
SD4600022
Source:
Surface water
Serves:
460 people

Jobee Acres

PWSID:
SD4600019
Source:
Surface water
Serves:
108 people

The Meadows

PWSID:
SD4600023
Source:
Surface water
Serves:
80 people

Country Village Park

PWSID:
SD4600021
Source:
Surface water
Serves:
340 people

Web Water Development Association

PWSID:
SD4601089
Source:
Surface water
Serves:
20,750 people

Rolling Meadows

PWSID:
SD4600620
Source:
Surface water
Serves:
83 people

Aberdeen Water System

PWSID:
GEN-aberdeen-south-dakota

Richmond Heights Homeowners Associat

PWSID:
SD4600504
Source:
Surface water
Serves:
67 people

EPA & DEP violations

Aberdeen

PWSID SD46000206 violations

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedArchived

    Interim Enhanced Surface Water Treatment Rule TT violation (Archived).

    EPA SDWIS · TT · Began Feb 1, 2026 · 6 months ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began May 1, 2025 · 1 year ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Dec 1, 2024 · 1 year ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Dec 1, 2024 · 1 year ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Nov 1, 2024 · 1 year ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Jul 1, 2023 · 3 years ago · Source ↗

City-wide

14 violations

  • Chlorine — MR violation

    medium severityArchived

    Chlorine MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation

    high severityHealth-basedUnaddressed

    Stage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Unaddressed).

    EPA SDWIS · TT · Began Nov 12, 2025 · 8 months ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Aug 1, 2025 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Jul 1, 2024 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Groundwater Rule — Other violation

    medium severityResolved

    Groundwater Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2023 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2023 · 3 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.