Public water system record
Hennessey
Serves an area of Kingfisher County, OK that includes Hennessey · 2,058 people served
Federal records show 2 health-based violations and 10 monitoring/reporting issues for Hennessey in the last ten years. The most serious issue in this window was a resolved Nitrate-Nitrite violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 10
Key facts
- Hennessey draws water from 8 wells (2 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by Oklahoma, March 2022.
- Record on file since 1988, with 68 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,155 service lines.
Check whether Hennessey 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 |
|---|---|---|---|---|
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jan 1, 2022 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jul 1, 2020 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 24, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1988
EPA's records for Hennessey go back to 1988. Before October 19, 2016 they list 68 health-based violations (51 resolved, 17 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 43 | 9 |
| 2000s | 20 | 1 |
| 2010 to October 18, 2016 | 4 | 2 |
| October 19, 2016 to 2019 | 0 | 6 |
| 2020s | 2 | 3 |
Most recent health-based violation before October 19, 2016: Nitrate-Nitrite (acute), began October 2014, Resolved.
Show all 68 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2010 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2007 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2006 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1999 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 30, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1995 | Resolved |
18 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Oklahoma regulators took 15 formal enforcement actions against Hennessey and issued 2 boil water orders between 1992 and 2022. The most recent was a compliance order (no penalty) in March 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 14, 2022 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Sep 16, 2020 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Dec 5, 2014 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Nitrate-Nitrite |
| Mar 26, 2014 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Nitrate-Nitrite |
| Sep 18, 2012 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Nitrate-Nitrite |
| Feb 22, 2011 | Oklahoma | Compliance order with a penalty | 1 violation: Glyphosate |
| Sep 8, 2010 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Nitrate-Nitrite |
| Jan 21, 2010 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Nitrate-Nitrite |
| Dec 18, 2007 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): Nitrate-Nitrite |
| Sep 9, 2002 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): Nitrate |
| Apr 30, 2001 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): Nitrate |
| Feb 3, 2000 | Oklahoma | Compliance order with a penalty | 19 violations (19 health-based): Nitrate |
| Mar 11, 1997 | Oklahoma | Compliance order (no penalty) | 31 violations (31 health-based): Nitrate |
| Aug 23, 1994 | Oklahoma | Boil water order | 1 violation |
| Jul 28, 1994 | Oklahoma | Compliance order (no penalty) | 4 violations (4 health-based): Nitrate |
| Jun 25, 1993 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| May 20, 1992 | Oklahoma | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Nitrate-Nitrite
2 incidentsTest results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Hennessey draws water from 8 wells (2 of them for emergency, seasonal or other part-time use).
Annual water quality report
Hennessey 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