Public water system record
Hanna PWA
Serves an area of McIntosh County, OK that includes Vernon and Hanna · 133 people served
Federal records show 1 health-based violation and 20 monitoring/reporting issues for Hanna PWA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 20
Key facts
- Hanna PWA draws water from 2 wells.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, March 2011.
- Record on file since 1991, with 3 health-based violations before October 19, 2016.
Check whether Hanna PWA 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 | Active | 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
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
E. coli
Monitoring and reporting
|
Aug 20, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Aug 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
E. coli
Monitoring and reporting
|
Sep 5, 2023 | Active |
|
E. coli
Monitoring and reporting
|
Nov 1, 2022 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Sep 8, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Dec 2, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 11, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
Full record since 1991
EPA's records for Hanna PWA go back to 1991. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 5 |
| 2000s | 0 | 11 |
| 2010 to October 18, 2016 | 2 | 17 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 1 | 14 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2014, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1993 | Resolved |
Enforcement actions
Oklahoma regulators took 5 formal enforcement actions against Hanna PWA between 1995 and 2011. The most recent was a compliance order with a penalty in March 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 15, 2011 | Oklahoma | Compliance order with a penalty | 1 violation: Arsenic |
| Sep 6, 2005 | Oklahoma | Compliance order with a penalty | 1 violation: Total Trihalomethanes (TTHMs) |
| Apr 12, 2004 | Oklahoma | Compliance order with a penalty | 4 violations: Nitrate, Gross Alpha, Excl. Radon and U, Gross Beta Particle Activity, Combined Radium (-226 and -228) |
| Aug 7, 2003 | Oklahoma | Compliance order with a penalty | 3 violations: Combined Radium (-226 and -228), Gross Beta Particle Activity, Gross Alpha, Excl. Radon and U |
| Jul 20, 1995 | Oklahoma | Compliance order (no penalty) | 1 violation: Total Coliform |
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
Hanna PWA draws water from 2 wells.
Annual water quality report
Hanna PWA 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 Hanna PWA 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 Oklahoma.
Certified drinking water labs by state EPA guidance for private wells