Water system · PWSID AZ0408068
NORTH MOHAVE VALLEY
PWSID
AZ0408068
State
Arizona
City
BULLHEAD CITY
Population served
5,190
Primary source
Groundwater
Score history
▼ 17 points — the score moved from 100 to 83 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 Aug 2025). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
5.5 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
3.4 ppt
limit 10 ppt
Lithium
44,000 ppt
limit —
PFBS
3.6 ppt
limit —
PFPeA
3.2 ppt
limit —
PFHxA
3 ppt
limit —
Violations & enforcement
99
Violations on record
5
Unaddressed
8
Health-based
60
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →
Recent enforcement actions
- State action · SIA Dec 2025
- State action · SOX Oct 2025
- State action · SIA Oct 2025
- State action · SOX Oct 2025
- State action · SOX Sep 2025
- State action · SOX Jul 2025
- State action · SIA Jan 2025
- State action · SOX Jan 2025
This profile is built from EPA public records for system AZ0408068 — 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.