Water Quality in TOMBSTONE, AZ (85638)
EPA violation data for public water systems serving ZIP code 85638.
26
Total Violations
2
Health-Based
24
Monitoring / Reporting
24
Resolved
What does this mean?
24 of 26 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 24 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 (26 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Jul 18, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 18, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 27, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 27, 2025 | Active | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(4)
Public Notice
75
Public Notice
75
Groundwater Rule
45
Groundwater Rule
45
2023(8)
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
How Does This Compare?
TOMBSTONE (85638) has 26 recorded violations, including 2 health-based. 2 remain unresolved. 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.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.