Public water system record
Willow Creek MHP
Serves an area of Oklahoma County, OK · 99 people served
Federal records show 1 health-based violation and 118 monitoring/reporting issues for Willow Creek MHP in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
73045
EPA system ID
OK2005535
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 118
Key facts
- Willow Creek MHP draws water from 2 wells.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, July 2007.
- Record on file since 1991, with 6 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 50 service lines.
Check whether Willow Creek MHP 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 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4-D
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Picloram
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dalapon
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlordane
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 26, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 22, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
May 30, 2015 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
Full record since 1991
EPA's records for Willow Creek MHP go back to 1991. Before October 20, 2016 they list 6 health-based violations (6 resolved) and 152 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 9 |
| 2000s | 3 | 115 |
| 2010 to October 19, 2016 | 1 | 28 |
| October 20, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 95 |
Most recent health-based violation before October 20, 2016: Lead and Copper Rule, began April 2011, Resolved.
Show all 6 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Apr 11, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1991 | Resolved |
Enforcement actions
Oklahoma regulators took 5 formal enforcement actions against Willow Creek MHP and issued 1 boil water order between 1992 and 2007. The most recent was a compliance order with a penalty in July 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 26, 2007 | Oklahoma | Compliance order with a penalty | 1 violation: Nitrate-Nitrite |
| Nov 18, 2004 | Oklahoma | Compliance order with a penalty | 20 violations: 1,2,4-Trichlorobenzene, Xylenes, Total, DICHLOROMETHANE, o-Dichlorobenzene, p-Dichlorobenzene |
| Dec 18, 2003 | Oklahoma | Compliance order with a penalty | 20 violations: 1,2,4-Trichlorobenzene, Xylenes, Total, Vinyl chloride, 1,1-Dichloroethylene, 1,1,2-Trichloroethane |
| Feb 4, 2002 | Oklahoma | Compliance order with a penalty | 20 violations: cis-1,2-Dichloroethylene, Xylenes, Total, p-Dichlorobenzene, Vinyl chloride, 1,1-Dichloroethylene |
| Nov 7, 1997 | Oklahoma | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Feb 3, 1992 | Oklahoma | Boil water order | 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
Willow Creek MHP draws water from 2 wells.
Annual water quality report
Willow Creek MHP 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 Willow Creek MHP 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