LOWER PIONEER MOUNTAIN WATER SYSTEM
PWSID: MT0004462 · Big Sky, MT · Serves 350 people
According to EPA Safe Drinking Water Information System (SDWIS), LOWER PIONEER MOUNTAIN WATER SYSTEM (PWSID MT0004462) in Big Sky, MT is listed as a CWS water system covering about 350 people. The same extract lists 2 health-based violation records spanning 2020-2020. Those 2 health-based rows for LOWER PIONEER MOUNTAIN WATER SYSTEM cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
LOWER PIONEER MOUNTAIN WATER SYSTEM has 2 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Revised Total Coliform Rule. Recorded violations span 2020–2020. Day-to-day primacy enforcement for this system runs through the Montana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Montana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MT0004462
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Big Sky, MT
- Population Served
- 350
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Sep 1, 2020 |
| Revised Total Coliform Rule | Yes | Sep 1, 2020 |
Frequently Asked Questions
What does EPA SDWIS list for LOWER PIONEER MOUNTAIN WATER SYSTEM?
How many people does LOWER PIONEER MOUNTAIN WATER SYSTEM serve?
What violations does LOWER PIONEER MOUNTAIN WATER SYSTEM have?
What contaminants have been found in LOWER PIONEER MOUNTAIN WATER SYSTEM water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LOWER PIONEER MOUNTAIN WATER SYSTEM on cumulative violation count (2) and EPA-reported population served (350). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
LOWER PIONEER MOUNTAIN WATER SYSTEM (MT0004462) is drawn from EPA SDWIS. Nearby county systems in this extract include BIG SKY COUNTY WATER AND SEWER DIST 363; VIRGINIA CITY WATER DEPT; ENNIS TOWN OF; SHERIDAN TOWN OF. Health-based rows (2 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.