Ottawa, KS
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
Ottawa, City Of
- PWSID:
- KS2005906
- Source:
- Surface water
- Serves:
- 12,604 people
Franklin Co Rwd 1
- PWSID:
- KS2005915
- Source:
- Surface water
- Serves:
- 665 people
Franklin Co Rwd 2
- PWSID:
- KS2005905
- Source:
- Surface water
- Serves:
- 400 people
Franklin Co Rwd 5
- PWSID:
- KS2005908
- Source:
- Surface water
- Serves:
- 855 people
EPA & DEP violations
Ottawa, City Of
PWSID KS20059065 violationsTotal Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2024 · 2 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2022 · 4 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Mar 15, 2020 · 6 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2020 · 6 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2019 · 6 years ago · Source ↗
Franklin Co Rwd 2
PWSID KS20059055 violationsLEAD AND COPPER RULE REVISIONS — RPT violation
medium severityUnaddressedLEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).
EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2020 · 6 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2020 · 6 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Dec 1, 2019 · 6 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Aug 1, 2018 · 8 years ago · Source ↗
City-wide
10 violationsE. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Feb 7, 2025 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2020 · 6 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2020 · 6 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2020 · 6 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2020 · 6 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2020 · 6 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2018 · 7 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2018 · 7 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Dec 30, 2017 · 8 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jul 1, 2017 · 9 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.