Water Quality in ROLLINS, MT (59931)
EPA violation data for public water systems serving ZIP code 59931.
21
Total Violations
4
Health-Based
17
Monitoring / Reporting
21
Resolved
What does this mean?
21 of 21 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 17 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 (21 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Oct 5, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 5, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 5, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 5, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2023(4)
Nitrate-Nitrite
03
Nitrate-Nitrite
03
Nitrate-Nitrite
03
Nitrate-Nitrite
03
2022(13)
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
How Does This Compare?
ROLLINS (59931) has 21 recorded violations, including 4 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 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.