Oswego, 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
Oswego, City Of
- PWSID:
- KS2009908
- Source:
- Surface water
- Serves:
- 1,680 people
Labette Co Rwd 1c
- PWSID:
- KS2009919
- Source:
- Surface water
- Serves:
- 285 people
Labette Co Rwd 5
- PWSID:
- KS2009906
- Source:
- Surface water
- Serves:
- 1,635 people
EPA & DEP violations
Oswego, City Of
PWSID KS200990819 violationsSurface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2024 · 2 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2023 · 3 years ago · Source ↗
Chlorite — MCL violation
high severityHealth-basedResolvedChlorite MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2021 · 5 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2019 · 7 years ago · Source ↗
Long Term 2 Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedLong Term 2 Enhanced Surface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2019 · 7 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2019 · 7 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jun 9, 2018 · 8 years ago · Source ↗
Chlorite — MCL violation
high severityHealth-basedResolvedChlorite MCL violation (Resolved).
EPA SDWIS · MCL · Began Mar 1, 2018 · 8 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Sep 28, 2017 · 9 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Mar 11, 2017 · 9 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Mar 11, 2017 · 9 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Sep 29, 2016 · 10 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2014 · 12 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Sep 14, 2013 · 13 years ago · Source ↗
CARBON, TOTAL — TT violation
high severityHealth-basedResolvedCARBON, TOTAL TT violation (Resolved).
EPA SDWIS · TT · Began Jul 1, 2013 · 13 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2013 · 13 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2013 · 13 years ago · Source ↗
CARBON, TOTAL — TT violation
high severityHealth-basedResolvedCARBON, TOTAL TT violation (Resolved).
EPA SDWIS · TT · Began Apr 1, 2013 · 13 years ago · Source ↗
Labette Co Rwd 5
PWSID KS20099061 violationLEAD 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 ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.