PWSID
MN1090005
State
Minnesota
City
Cloquet
Population served
12,864
Primary source
Groundwater
Score history
▼ 37 points — the score moved from 100 to 63 on Jun 18, 2026, as newly published EPA data was incorporated.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Mar 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
8.4 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
7.5 ppt
limit 10 ppt
Violations & enforcement
No violations are on record for this system in EPA’s SDWIS/ECHO data.
Area water-quality monitoring
Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.
Copper
3 stations · latest Aug 2024
Manganese
1 station · latest Aug 2024
Lead
1 station · latest Sep 2023
Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.
This profile is built from EPA public records for system MN1090005 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.