Public water system record
Dewey Co RWD #3
Serves an area of Woodward County and Dewey County, OK that includes Mutual · 755 people served
Federal records show 1 health-based violation and 38 monitoring/reporting issues for Dewey Co RWD #3 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
- 38
Key facts
- Dewey Co RWD #3 draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
- Record on file since 1993, with 5 health-based violations before October 19, 2016.
Check whether Dewey Co RWD #3 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
Enforcement action in place
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
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.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Dec 2, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jun 11, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 25, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 25, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 25, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 25, 2017 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 12, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Aug 21, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2014 | Resolved |
Full record since 1993
EPA's records for Dewey Co RWD #3 go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 35 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 5 | 8 |
| 2010 to October 18, 2016 | 0 | 27 |
| October 19, 2016 to 2019 | 0 | 16 |
| 2020s | 1 | 14 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 1997, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1996 | Resolved |
Enforcement actions
Oklahoma regulators and EPA took 7 formal enforcement actions against Dewey Co RWD #3 and issued 1 boil water order between 1996 and 2026. The most recent was a compliance order (no penalty) in March 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 19, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| Apr 25, 2018 | Oklahoma | Compliance order (no penalty) | 12 violations: Nitrate-Nitrite, Public Notice, Consumer Confidence Rule, Lead and Copper Rule |
| Mar 18, 2013 | Oklahoma | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Mar 20, 2012 | Oklahoma | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Feb 15, 2012 | Oklahoma | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Sep 12, 2011 | Oklahoma | Compliance order with a penalty | 4 violations: Lead and Copper Rule |
| Jul 5, 1996 | Oklahoma | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jan 24, 1996 | 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
Dewey Co RWD #3 draws water from 3 wells.
Annual water quality report
Dewey Co RWD #3 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