S

Sioux Falls, SD

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️7 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

Sioux Falls

PWSID:
SD4600294
Source:
Surface water
Serves:
216,462 people

Lincoln County Rural Water System

PWSID:
SD4600304
Source:
Ground water
Serves:
5,965 people

Skyline Heights

PWSID:
SD4600297
Source:
Surface water
Serves:
110 people

Valley View Estates

PWSID:
SD4600300
Source:
Ground water
Serves:
230 people

Pine Lake Hills

PWSID:
SD4600624
Source:
Ground water
Serves:
320 people

EPA & DEP violations

Lincoln County Rural Water System

PWSID SD46003041 violation

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2024 · 2 years ago · Source ↗

Pine Lake Hills

PWSID SD46006246 violations

  • Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation

    high severityHealth-basedResolved

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

    EPA SDWIS · TT · Began Jul 7, 2025 · 1 year ago · Source ↗

  • Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation

    high severityHealth-basedResolved

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

    EPA SDWIS · TT · Began Feb 1, 2017 · 9 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityResolved

    Coliform (TCR) MR violation (Resolved).

    EPA SDWIS · MR · Began Sep 1, 2014 · 11 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2014 · 12 years ago · Source ↗

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2014 · 12 years ago · Source ↗

  • Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation

    high severityHealth-basedResolved

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

    EPA SDWIS · TT · Began Feb 1, 2012 · 14 years ago · Source ↗

City-wide

13 violations

  • 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 Aug 15, 2021 · 4 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Mar 9, 2020 · 6 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Feb 1, 2019 · 7 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Nov 1, 2012 · 13 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityResolved

    Coliform (TCR) MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2011 · 15 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2011 · 15 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2011 · 15 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2010 · 15 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2010 · 16 years ago · Source ↗

  • Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation

    high severityHealth-basedResolved

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

    EPA SDWIS · TT · Began Jul 1, 2010 · 16 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.