Big Stone City, SD
Contamination score
Higher = more contaminated vs. other cities.
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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.
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Public water systems
Grant-Roberts Rural Water System
- PWSID:
- SD4600864
- Source:
- Ground water
- Serves:
- 5,050 people
Big Stone City
- PWSID:
- SD4600007
- Source:
- Ground water
- Serves:
- 412 people
EPA & DEP violations
Grant-Roberts Rural Water System
PWSID SD46008643 violationsNitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2022 · 4 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Jan 11, 2015 · 11 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
City-wide
5 violationsRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2021 · 4 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2021 · 4 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2018 · 8 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2014 · 11 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.