GRANITE PARK WATER ASSOCIATION
PWSID: MT0004563 · Billings, MT · Serves 250 people
According to EPA Safe Drinking Water Information System (SDWIS), GRANITE PARK WATER ASSOCIATION (PWSID MT0004563) in Billings, MT is listed as a CWS water system covering about 250 people. The same extract lists 4 health-based violation records spanning 2024-2024. Those 4 health-based rows for GRANITE PARK WATER ASSOCIATION cover contaminants such as Nitrate-Nitrite; they remain historical EPA registry entries, not a current compliance or drinkability score.
GRANITE PARK WATER ASSOCIATION has 4 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 Nitrate-Nitrite. Recorded violations span 2024–2024. 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)
- MT0004563
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Billings, MT
- Population Served
- 250
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate-Nitrite | 4 | 4 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate-Nitrite | Yes | Jan 1, 2024 |
| Nitrate-Nitrite | Yes | Jan 1, 2024 |
| Nitrate-Nitrite | Yes | Jan 1, 2024 |
| Nitrate-Nitrite | Yes | Jan 1, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for GRANITE PARK WATER ASSOCIATION?
How many people does GRANITE PARK WATER ASSOCIATION serve?
What violations does GRANITE PARK WATER ASSOCIATION have?
What contaminants have been found in GRANITE PARK WATER ASSOCIATION water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GRANITE PARK WATER ASSOCIATION on cumulative violation count (4) and EPA-reported population served (250). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND.
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
GRANITE PARK WATER ASSOCIATION (MT0004563) is drawn from EPA SDWIS. Nearby county systems in this extract include BILLINGS CITY OF; BILLINGS HEIGHTS CO WATER DIST OF; LAUREL MUNICIPAL WATER SYSTEM; LOCKWOOD WATER AND SEWER DISTRICT. Health-based rows (4 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.