PWSID
CO0143755
State
Colorado
City
MONTROSE
Population served
20,490
Primary source
SWP
Score history
No change since tracking began Jun 18, 2026.
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).
Lithium
14,400 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
0
Health-based
8
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jul 2016. Official EPA record →
Recent enforcement actions
- State action · SOX Jul 2016
- State action · SIA Jul 2016
- State action · SIE Jul 2016
- State action · SOX May 2007
- State action · SIA May 2007
- State action · SFJ Sep 1985
- State action · SO6 Sep 1985
- State action · SIE Sep 1985
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.
Manganese
31 stations · latest Mar 2026
Copper
29 stations · latest Mar 2026
Arsenic
34 stations · latest Mar 2026
Lead
34 stations · latest Mar 2026
Nitrate
9 stations · latest Aug 2023
Fluoride
10 stations · latest Nov 2023
Uranium
3 stations · latest Oct 2022
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 CO0143755 — 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.