Public water system record
Pilot Knob Rural WD 1 Doe Run Area
On record as serving St. Francois County, MO · Serves 507 people
Federal records show 1 health-based violation and 9 monitoring/reporting issues for Pilot Knob Rural WD 1 Doe Run Area 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
- 9
Key facts
- Pilot Knob Rural WD 1 Doe Run Area draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.55 pCi/L, federal limit 5 pCi/L (1.1 times the limit), 2019.
- Most recent formal enforcement: compliance order with a penalty by Missouri, August 2014.
- Record on file since 2008, with 19 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 471 unknown out of 471 service lines.
Check whether Pilot Knob Rural WD 1 Doe Run Area 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 5.55 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 2008
EPA's records for Pilot Knob Rural WD 1 Doe Run Area go back to 2008. Before October 19, 2016 they list 19 health-based violations (19 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 7 | 1 |
| 2010 to October 18, 2016 | 12 | 7 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 2014, Resolved.
Show all 19 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.05 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.18 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.85 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.83 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.8 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.03 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.5 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.38 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Oct 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.73 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jul 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.28 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Apr 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.68 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jan 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.05 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jul 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.75 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.83 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jan 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.45 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.73 pCi/L, federal limit 5 pCi/L (1.9 times the limit)
|
Jul 1, 2008 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.45 pCi/L, federal limit 5 pCi/L (1.9 times the limit)
|
Apr 1, 2008 | Resolved |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Pilot Knob Rural WD 1 Doe Run Area in 2014. The most recent was a compliance order with a penalty in August 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 22, 2014 | Missouri | Compliance order with a penalty | 21 violations (19 health-based): Combined Radium (-226 and -228), Radium-226, Total Coliform, Radium-228 |
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
Pilot Knob Rural WD 1 Doe Run Area draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Pilot Knob Rural WD 1 Doe Run Area 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells