Water Quality in MESA, AZ (85211)
EPA violation data for public water systems serving ZIP code 85211.
93
Total Violations
0
Health-Based
93
Monitoring / Reporting
93
Resolved
What does this mean?
93 of 93 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 93 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (93 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Bromate | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | Increased risk of cancer |
| Xylenes, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(7)
Revised Total Coliform Rule
3A
Bromate
27
Bromate
27
Bromate
27
Bromate
27
Bromate
27
Bromate
27
2022(86)
Xylenes, Total
03
1,1,2-Trichloroethane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
Carbon tetrachloride
03
Carbon tetrachloride
03
1,2-Dichloropropane
03
Carbon tetrachloride
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
Xylenes, Total
03
1,2-Dichloropropane
03
Xylenes, Total
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
o-Dichlorobenzene
03
1,1,2-Trichloroethane
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
Di(2-ethylhexyl) phthalate
03
Di(2-ethylhexyl) phthalate
03
Xylenes, Total
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Carbon tetrachloride
03
How Does This Compare?
MESA (85211) has 93 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.