Buffalo Gap, SD
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Buffalo Gap
- PWSID:
- SD4600077
- Source:
- Ground water
- Serves:
- 126 people
EPA & DEP violations
Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation
high severityHealth-basedUnaddressedStage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Unaddressed).
EPA SDWIS · TT · Began Jul 7, 2025 · 11 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation
high severityHealth-basedResolvedStage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Resolved).
EPA SDWIS · TT · Began May 21, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Dec 1, 2023 · 2 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Oct 1, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Apr 1, 2023 · 3 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2023 · 3 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2018 · 7 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2018 · 8 years ago · Source ↗
Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation
high severityHealth-basedResolvedStage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Resolved).
EPA SDWIS · TT · Began Jan 1, 2018 · 8 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2017 · 8 years ago · Source ↗
Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation
high severityHealth-basedResolvedStage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Resolved).
EPA SDWIS · TT · Began Feb 1, 2017 · 9 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2016 · 9 years ago · Source ↗
Groundwater Rule — TT violation
high severityHealth-basedResolvedGroundwater Rule TT violation (Resolved).
EPA SDWIS · TT · Began May 14, 2016 · 10 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began May 1, 2016 · 10 years ago · Source ↗
Revised Total Coliform Rule — Other violation
medium severityResolvedRevised Total Coliform Rule Other violation (Resolved).
EPA SDWIS · Other · Began Apr 1, 2016 · 10 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Apr 1, 2016 · 10 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.