Owanka, 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
Lakeside Water Users District
- PWSID:
- SD4602108
- Source:
- Ground water
- Serves:
- 51 people
Owanka Rural Water System
- PWSID:
- SD4602310
- Source:
- Ground water
- Serves:
- 52 people
EPA & DEP violations
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2020 · 5 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2020 · 5 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2020 · 6 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2020 · 6 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2019 · 6 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2019 · 6 years ago · Source ↗
Combined Radium (-226 and -228) — MCL violation
high severityHealth-basedResolvedCombined Radium (-226 and -228) MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2019 · 7 years ago · Source ↗
Ethylbenzene — MR violation
medium severityResolvedEthylbenzene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
DICHLOROMETHANE — MR violation
medium severityResolvedDICHLOROMETHANE MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,2,4-Trichlorobenzene — MR violation
medium severityResolved1,2,4-Trichlorobenzene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,1,2-Trichloroethane — MR violation
medium severityResolved1,1,2-Trichloroethane MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
Xylenes, Total — MR violation
medium severityResolvedXylenes, Total MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
Carbon tetrachloride — MR violation
medium severityResolvedCarbon tetrachloride MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,2-Dichloropropane — MR violation
medium severityResolved1,2-Dichloropropane MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,2-Dichloroethane — MR violation
medium severityResolved1,2-Dichloroethane MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,1,1-Trichloroethane — MR violation
medium severityResolved1,1,1-Trichloroethane MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
Styrene — MR violation
medium severityResolvedStyrene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
cis-1,2-Dichloroethylene — MR violation
medium severityResolvedcis-1,2-Dichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
1,1-Dichloroethylene — MR violation
medium severityResolved1,1-Dichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
trans-1,2-Dichloroethylene — MR violation
medium severityResolvedtrans-1,2-Dichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.