Oskaloosa, IA
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
Oskaloosa Municipal Water Dept
- PWSID:
- IA6273005
- Source:
- Surface water
- Serves:
- 12,808 people
Mahaska Rural Water System, Inc.
- PWSID:
- IA6273901
- Source:
- Ground water
- Serves:
- 9,818 people
Oak Creek MHP
- PWSID:
- IA6273601
- Source:
- Surface water
- Serves:
- 165 people
EPA & DEP violations
Di(2-ethylhexyl) phthalate — MR violation
medium severityResolvedDi(2-ethylhexyl) phthalate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Di(2-ethylhexyl) phthalate — MR violation
medium severityResolvedDi(2-ethylhexyl) phthalate 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 Feb 1, 2021 · 5 years ago · Source ↗
Revised Total Coliform Rule — TT violation
high severityHealth-basedResolvedRevised Total Coliform Rule TT violation (Resolved).
EPA SDWIS · TT · Began Apr 1, 2016 · 10 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Aug 1, 2015 · 10 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Aug 1, 2015 · 10 years ago · Source ↗
CARBON, TOTAL — MR violation
medium severityResolvedCARBON, TOTAL MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2014 · 11 years ago · Source ↗
CARBON, TOTAL — MR violation
medium severityResolvedCARBON, TOTAL MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2012 · 14 years ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — TT violation
high severityHealth-basedResolvedInterim Enhanced Surface Water Treatment Rule TT violation (Resolved).
EPA SDWIS · TT · Began Feb 1, 2011 · 15 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · 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.