Public water system record
Stilwell
Serves Lyons Switch, Stilwell and Zion, Adair County, OK · 3,276 people served
Federal records show 1 health-based violation and 3 monitoring/reporting issues for Stilwell in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Stilwell draws water from 2 surface water intakes and 1 spring.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, October 2008.
- Record on file since 1992, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,802 unknown out of 1,842 service lines.
Check whether Stilwell 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
Full record since 1992
EPA's records for Stilwell go back to 1992. Before October 19, 2016 they list 10 health-based violations (9 resolved, 1 archived by EPA without a recorded fix) and 9 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 3 |
| 2000s | 2 | 5 |
| 2010 to October 18, 2016 | 4 | 1 |
| 2020s | 1 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 2013, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2013 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Aug 1, 2010 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2010 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jun 1, 2010 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jun 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1996 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1993 | Archived |
Enforcement actions
Oklahoma regulators took 3 formal enforcement actions against Stilwell between 1996 and 2008. The most recent was a compliance order with a penalty in October 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 10, 2008 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Sep 20, 2005 | Oklahoma | Compliance order with a penalty | 1 violation: CARBON, TOTAL |
| Jun 17, 1996 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Stilwell draws water from 2 surface water intakes and 1 spring. 4 other community water systems buy water from Stilwell.
Community systems that buy water from it
- Adair Co RWD #1 (Cherry Tree) Stilwell, OK
- Adair Co RWD #2 Stilwell, OK
- Adair Co RWD #3 Westville, OK
- Adair Co RWD #4 Stilwell, OK
Annual water quality report
Stilwell 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 Oklahoma.
Certified drinking water labs by state EPA guidance for private wells