Larsen Bay, AK
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
Larsen Bay Water System
- PWSID:
- AK2250134
- Source:
- Surface water
- Serves:
- 271 people
EPA & DEP violations
City-wide
20 violationsRevised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Mar 1, 2026 · 5 months ago · Source ↗
1,2,4-Trichlorobenzene — MR violation
medium severityArchived1,2,4-Trichlorobenzene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
CHLOROBENZENE — MR violation
medium severityArchivedCHLOROBENZENE MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
TTHM — MR violation
medium severityArchivedTTHM MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
1,1,2-Trichloroethane — MR violation
medium severityArchived1,1,2-Trichloroethane MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
trans-1,2-Dichloroethylene — MR violation
medium severityArchivedtrans-1,2-Dichloroethylene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
1,2-Dichloroethane — MR violation
medium severityArchived1,2-Dichloroethane MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
o-Dichlorobenzene — MR violation
medium severityArchivedo-Dichlorobenzene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
DICHLOROMETHANE — MR violation
medium severityArchivedDICHLOROMETHANE MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Carbon tetrachloride — MR violation
medium severityArchivedCarbon tetrachloride MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
cis-1,2-Dichloroethylene — MR violation
medium severityArchivedcis-1,2-Dichloroethylene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Vinyl chloride — MR violation
medium severityArchivedVinyl chloride MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Toluene — MR violation
medium severityArchivedToluene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Ethylbenzene — MR violation
medium severityArchivedEthylbenzene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
1,1,1-Trichloroethane — MR violation
medium severityArchived1,1,1-Trichloroethane MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
1,2-Dichloropropane — MR violation
medium severityArchived1,2-Dichloropropane MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Nitrate — MR violation
medium severityArchivedNitrate MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Styrene — MR violation
medium severityArchivedStyrene MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Xylenes, Total — MR violation
medium severityArchivedXylenes, Total MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.