Public water system record
Arrow Creek Trailer Court
Serves an area of Yellowstone County, MT that includes Billings · 75 people served
Federal records show 5 health-based violations and 36 monitoring/reporting issues for Arrow Creek Trailer Court 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
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 36
Key facts
- Arrow Creek Trailer Court draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by Montana, March 2024.
- Record on file since 2007, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 25 service lines.
Check whether Arrow Creek Trailer Court 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, 2025 | Resolved | No |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Apr 1, 2023 | Resolved | Yes |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Apr 1, 2023 | Resolved | No |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jan 1, 2023 | Resolved | Yes |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Oct 16, 2022 | 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 |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Feb 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 2007
EPA's records for Arrow Creek Trailer Court go back to 2007. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 26 |
| 2010 to October 18, 2016 | 5 | 14 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 5 | 32 |
Most recent health-based violation before October 19, 2016: Nitrate-Nitrite (acute), began July 2016, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2016 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jun 1, 2016 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
May 1, 2016 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2010 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
Enforcement actions
Montana regulators took 2 formal enforcement actions against Arrow Creek Trailer Court between 2016 and 2024, filed as 5 records in EPA's data. The most recent was a compliance order with a penalty in March 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 25, 2024 | Montana | Compliance order with a penalty | 6 violations (4 health-based): Lead and Copper Rule, Nitrate-Nitrite |
| Jun 27, 2016 | Montana | Compliance order with a penalty | 9 violations (4 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Nitrate-Nitrite, Lead and Copper Rule |
What the violations mean
Nitrate-Nitrite
2 incidentsTest results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
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
Arrow Creek Trailer Court draws water from 1 well.
Annual water quality report
Arrow Creek Trailer Court 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 Arrow Creek Trailer Court 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