PWSID
CO0101157
State
Colorado
City
BRIGHTON
Population served
7,202
Primary source
GU
Score history
▼ 10 points — the score moved from 100 to 90 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 Oct 2023). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
4.4 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
4 ppt
limit 10 ppt
Lithium
12,000 ppt
limit —
PFBS
8.9 ppt
limit —
PFBA
6.4 ppt
limit —
PFPeA
3.9 ppt
limit —
PFHxA
3.7 ppt
limit —
Violations & enforcement
20
Violations on record
0
Unaddressed
1
Health-based
56
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jun 2019. Official EPA record →
Recent enforcement actions
- State action · SIF Jun 2019
- State action · SIE Nov 2018
- State action · SIA Nov 2018
- State action · SIE Nov 2018
- State action · SOX Nov 2018
- State action · SIA Nov 2018
- State action · SIE Nov 2018
- State action · SIE Nov 2018
This profile is built from EPA public records for system CO0101157 — 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.