Public water system record
River Grove Estates TR CT
Serves an area of Yellowstone County, MT that includes Billings · 100 people served
Federal records show no health-based violations and 10 monitoring/reporting issues for River Grove Estates TR CT in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 10
Key facts
- River Grove Estates TR CT draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, July 2007.
- Record on file since 1992, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 51 service lines.
Check whether River Grove Estates TR CT 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.
None since October 2016.
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
|
Jul 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Mar 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2019 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2012 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2012 | Resolved |
Full record since 1992
EPA's records for River Grove Estates TR CT go back to 1992. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 154 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 54 |
| 2000s | 9 | 86 |
| 2010 to October 18, 2016 | 0 | 14 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Nitrate-Nitrite (acute), began October 2007, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2007 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2005 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
Enforcement actions
Montana regulators and EPA took 3 formal enforcement actions against River Grove Estates TR CT between 2000 and 2007. The most recent was a compliance order (no penalty) in July 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 2, 2007 | EPA | Compliance order (no penalty) | 32 violations (5 health-based): Nitrate-Nitrite, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Lead and Copper Rule, Total Coliform |
| Aug 30, 2004 | Montana | Compliance order with a penalty | 6 violations (6 health-based): Nitrate-Nitrite |
| Dec 27, 2000 | Montana | Civil case filed in court | 52 violations: Total Coliform, Nitrate, Di(2-ethylhexyl) adipate, Pentachlorophenol, Heptachlor epoxide |
Where the water comes from
River Grove Estates TR CT draws water from 2 wells.
Annual water quality report
River Grove Estates TR CT 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask River Grove Estates TR CT for a copy.
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