EPA AZ0408032 · serves Bullhead City, AZ · about 36,330 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Bullhead City Mohave (EPA AZ0408032)
What EPA records show for Bullhead City Mohave, as of October 14, 2026
2 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2026–Dec 31, 2028). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 7.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Bullhead City Mohave use chloramine?
We didn't find chloramine in Bullhead City Mohave's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 7.
Lithium: found in 12 of 12 samples, average 51.3 µg/L, highest 90.8 µg/L (EPA UCMR 5 testing, Mar 2025–Sep 2025)
PFOS (a PFAS): found in 4 of 12 samples, average 1.7 ppt, highest 7.3 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
PFHxS (a PFAS): found in 1 of 12 samples, average 0.60 ppt, highest 7 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
PFPeA (a PFAS): found in 2 of 12 samples, average 0.60 ppt, highest 3.7 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
PFOA (a PFAS): found in 1 of 12 samples, average 0.40 ppt, highest 5.3 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
PFBS (a PFAS): found in 1 of 12 samples, average 0.30 ppt, highest 3.1 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
PFHxA (a PFAS): found in 1 of 12 samples, average 0.30 ppt, highest 3 ppt (EPA UCMR 5 testing, Mar 2025–Nov 2025)
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2026–Dec 31, 2028). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Health-based violation: Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS, Oct 2024–Jun 2025 (EPA SDWIS)
Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, May 2024–Aug 2024 (EPA SDWIS)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
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