Public water system record
Willowbank Colony
On record as serving LaMoure County, ND · Serves 95 people
Federal records show 1 health-based violation and 8 monitoring/reporting issues for Willowbank Colony in the last ten years. The most serious issue in this window was a resolved Combined Radium (-226 and -228) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Willowbank Colony draws water from 2 wells.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.765 pCi/L, federal limit 5 pCi/L (1.2 times the limit), 2016.
- Most recent formal enforcement: compliance order (no penalty) by North Dakota, February 2013.
- Record on file since 2003, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24 service lines.
Check whether Willowbank Colony 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 |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.765 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | 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 |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 18, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2012 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2009 | Resolved |
Full record since 2003
EPA's records for Willowbank Colony go back to 2003. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 85 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 35 |
| 2010 to October 18, 2016 | 2 | 50 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2016, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.765 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.956 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Apr 1, 2016 | Resolved |
Enforcement actions
North Dakota regulators took 1 formal enforcement action against Willowbank Colony in 2013. The most recent was a compliance order (no penalty) in February 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 4, 2013 | North Dakota | Compliance order (no penalty) | 24 violations: Consumer Confidence Rule, Total Coliform, Lead and Copper Rule |
What the violations mean
Combined Radium (-226 and -228)
1 incidentTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Where the water comes from
Willowbank Colony draws water from 2 wells.
Annual water quality report
Willowbank Colony 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 Willowbank Colony 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 North Dakota.
Certified drinking water labs by state EPA guidance for private wells