Public water system record
Ardmore
Serves Ardmore and Gene Autry, Carter County, OK · 24,893 people served
Federal records show 6 health-based violations and 2 monitoring/reporting issues for Ardmore in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 2
Key facts
- Ardmore draws water from 5 surface water intakes.
- Most recent formal enforcement: compliance order (no penalty) by Oklahoma, July 2024.
- Record on file since 1989, with 22 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 9,495 unknown out of 11,921 service lines.
Check whether Ardmore 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 |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2024 | Resolved | Yes |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2021 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2020 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2018 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2017 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
2,4-D
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
Full record since 1989
EPA's records for Ardmore go back to 1989. Before October 19, 2016 they list 22 health-based violations (19 resolved, 3 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 9 | 2 |
| 2000s | 8 | 3 |
| 2010 to October 18, 2016 | 4 | 6 |
| October 19, 2016 to 2019 | 3 | 1 |
| 2020s | 3 | 1 |
Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began January 2016, Resolved.
Show all 22 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jan 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2009 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2009 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2009 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2008 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Jan 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Oct 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 1997 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1997 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1993 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 1989 | Resolved |
Enforcement actions
Oklahoma regulators took 16 formal enforcement actions against Ardmore between 1997 and 2024. The most recent was a compliance order (no penalty) in July 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 9, 2024 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Jul 8, 2021 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): CARBON, TOTAL |
| Jul 7, 2021 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): CARBON, TOTAL |
| Mar 12, 2021 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): CARBON, TOTAL |
| Mar 26, 2018 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Jan 29, 2018 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Oct 30, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Jan 9, 2017 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Dec 1, 2016 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Mar 9, 2016 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Apr 25, 2013 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Surface Water Treatment Rule |
| Oct 27, 2009 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): CARBON, TOTAL |
| Sep 9, 2009 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): CARBON, TOTAL |
| Mar 25, 2009 | Oklahoma | Compliance order with a penalty | 5 violations (5 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5) |
| Nov 30, 2005 | Oklahoma | Compliance order with a penalty | 1 violation: CARBON, TOTAL |
| Apr 15, 1997 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
CARBON, TOTAL
4 incidentsThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about each of these violations.
Interim Enhanced Surface Water Treatment Rule
1 incidentThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Ardmore draws water from 5 surface water intakes. 1 other community water system buys water from Ardmore.
Community systems that buy water from it
- Southern Okla Water Corp Ardmore, OK
Annual water quality report
Ardmore 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