Water Quality in HAVRE, MT (59501)
EPA violation data for public water systems serving ZIP code 59501.
101
Total Violations
19
Health-Based
82
Monitoring / Reporting
101
Resolved
What does this mean?
101 of 101 violations have been resolved. 19 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 82 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 (101 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(7)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(43)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Interim Enhanced Surface Water Treatment Rule
43
Long Term 2 Enhanced Surface Water Treatment Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
41
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
HAVRE (59501) has 101 recorded violations, including 19 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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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
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.