Public water system record
Muskogee
Serves an area of Muskogee County, OK that includes Muskogee · 38,310 people served
Federal records show 23 health-based violations and 5 monitoring/reporting issues for Muskogee in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.
System profile
Source water
Surface water
ZIP
74403
EPA system ID
OK1021607
- Health-based violations, last 10 years
- 23
- Resolved
- 22
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Muskogee draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit), 2019.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, July 2016.
- Record on file since 1984, with 25 health-based violations before October 19, 2016.
- Lead pipe inventory: 3,724 lead and 0 unknown out of 16,644 service lines.
Check whether Muskogee 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Apr 1, 2022 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Apr 1, 2021 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jan 1, 2021 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jan 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2017 | 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
|
Jun 30, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Mar 31, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Mar 31, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 30, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2019 | Resolved |
Full record since 1984
EPA's records for Muskogee go back to 1984. Before October 19, 2016 they list 25 health-based violations (23 resolved, 2 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 2 | 0 |
| 1990s | 2 | 2 |
| 2000s | 13 | 3 |
| 2010 to October 18, 2016 | 8 | 0 |
| October 19, 2016 to 2019 | 13 | 2 |
| 2020s | 10 | 3 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began April 2016, Resolved.
Show all 25 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Apr 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Oct 1, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
Jul 1, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2014 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2004 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2003 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2003 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2003 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 2002 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1992 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Sep 1, 1984 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Sep 1, 1984 | Archived |
Enforcement actions
Oklahoma regulators took 21 formal enforcement actions against Muskogee between 2002 and 2016. The most recent was a compliance order with a penalty in July 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 14, 2016 | Oklahoma | Compliance order with a penalty | 26 violations (26 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Apr 15, 2016 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Mar 14, 2016 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Dec 8, 2015 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| May 7, 2014 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Jun 11, 2013 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Jul 19, 2005 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Mar 3, 2005 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Nov 16, 2004 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Oct 14, 2004 | Oklahoma | Compliance order with a penalty | 6 violations (5 health-based): CARBON, TOTAL |
| Sep 7, 2004 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| May 25, 2004 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Feb 24, 2004 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Nov 13, 2003 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Aug 12, 2003 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5) |
| May 8, 2003 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| May 6, 2003 | Oklahoma | Compliance order with a penalty | 5 violations (5 health-based): Haloacetic Acids (HAA5), CARBON, TOTAL |
| Jan 22, 2003 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Oct 28, 2002 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Sep 25, 2002 | Oklahoma | Compliance order with a penalty | 1 violation: CARBON, TOTAL |
| May 24, 2002 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Haloacetic Acids (HAA5)
14 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Total Trihalomethanes (TTHMs)
9 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Muskogee draws water from 1 surface water intake. 9 other community water systems buy water from Muskogee. 1 other public water system has an emergency connection to Muskogee.
Community systems that buy water from it
- Haskell PWA-SWP Haskell, OK
- Muskogee Co. RWD #1 (Oktaha) Oktaha, OK
- Muskogee Co. RWD #2 (Gooseneck) Muskogee, OK
- Muskogee Co. RWD #5 Muskogee, OK
- Muskogee Co. RWD #6 Wainwright, OK
- Muskogee Co. RWD #9 Muskogee, OK
- Okay PWA Okay, OK
- Porter PWA Porter, OK
- Taft Taft, OK
Annual water quality report
Muskogee 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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