Public water system record
Lone Grove
Serves Lone Grove, Carter County, OK · 4,863 people served
Federal records show 1 health-based violation and 9 monitoring/reporting issues for Lone Grove in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 9
Key facts
- Lone Grove draws water from 6 wells.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, February 2012.
- Record on file since 1991, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,382 unknown out of 1,382 service lines.
Check whether Lone Grove 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 |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2023 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1991
EPA's records for Lone Grove go back to 1991. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 63 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 6 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 3 | 56 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 2013, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2013 | Resolved |
Enforcement actions
Oklahoma regulators took 2 formal enforcement actions against Lone Grove between 1995 and 2012. The most recent was a compliance order with a penalty in February 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 10, 2012 | Oklahoma | Compliance order with a penalty | 21 violations: Carbon tetrachloride, Trichloroethylene, Tetrachloroethylene, Benzene, Ethylbenzene |
| Sep 20, 1995 | 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
Lone Grove draws water from 6 wells.
Annual water quality report
Lone Grove 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