Public water system record
Town of St Ignatius
Serves an area of Lake County and Sanders County, MT that includes St. Ignatius · 700 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Town of St Ignatius in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Town of St Ignatius draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by Montana, November 2011.
- Record on file since 1995, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 281 service lines.
Check whether Town of St Ignatius serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Sep 1, 2025 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 17, 2024 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
Full record since 1995
EPA's records for Town of St Ignatius go back to 1995. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 38 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 2 | 2 |
| 2010 to October 18, 2016 | 5 | 34 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began October 2016, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Oct 1, 2016 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Mar 1, 2016 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Sep 1, 2015 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Jul 14, 2011 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2007 | Resolved |
Enforcement actions
Montana regulators took 1 formal enforcement action against Town of St Ignatius and issued 1 boil water order between 2010 and 2011, filed as 3 records in EPA's data. The most recent was a compliance order (no penalty) in November 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 18, 2011 | Montana | Compliance order (no penalty) | 2 violations (2 health-based): Groundwater Rule |
| Jul 21, 2010 | Montana | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Town of St Ignatius draws water from 3 wells. 1 smaller public system such as schools, businesses or campgrounds buys water from Town of St Ignatius.
Annual water quality report
Town of St Ignatius must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.
Certified drinking water labs by state EPA guidance for private wells