GREAT FALLS CITY OF
PWSID: MT0000525 · Great Falls, MT · Serves 60,000 people
According to EPA Safe Drinking Water Information System (SDWIS), GREAT FALLS CITY OF (PWSID MT0000525) in Great Falls, MT is listed as a CWS water system covering about 60,000 people. The same extract lists 5 health-based violation records spanning 2018-2019. Those 5 health-based rows for GREAT FALLS CITY OF cover contaminants such as Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
GREAT FALLS CITY OF has 5 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 Total Haloacetic Acids (HAA5). Recorded violations span 2018–2019. 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)
- MT0000525
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Great Falls, MT
- Population Served
- 60,000
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 5 | 5 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for GREAT FALLS CITY OF?
How many people does GREAT FALLS CITY OF serve?
What violations does GREAT FALLS CITY OF have?
What contaminants have been found in GREAT FALLS CITY OF water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GREAT FALLS CITY OF on cumulative violation count (5) and EPA-reported population served (60,000). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include HERRIMAN CITY MUNICIPAL WATER DEPARTMENT, LAWCO - NEW IBERIA WATER SYSTEM, MARIETTA BOARD OF LIGHTS AND WATER.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
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About This Data
GREAT FALLS CITY OF (MT0000525) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2018-2019 covering Total Haloacetic Acids (HAA5). Historical registry entries, 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.