Public water system record
Tillman Co RWD #1
Serves an area of Tillman County and Cotton County, OK that includes Grandfield and Loveland · 1,500 people served
Federal records show 8 health-based violations and 13 monitoring/reporting issues for Tillman Co RWD #1 in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 8
- Resolved
- 7
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 13
Key facts
- Tillman Co RWD #1 draws water from 5 wells.
- Most recent formal enforcement: compliance order (no penalty) by Oklahoma, April 2025.
- Record on file since 1982, with 31 health-based violations before October 19, 2016.
Check whether Tillman Co RWD #1 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 | Apr 1, 2025 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jan 1, 2025 | Resolved | Yes |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Apr 1, 2024 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jul 1, 2023 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jan 1, 2021 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Oct 1, 2020 | 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Chlorine
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Jun 20, 2023 | Active |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2016 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1982
EPA's records for Tillman Co RWD #1 go back to 1982. Before October 19, 2016 they list 31 health-based violations (29 resolved, 2 archived by EPA without a recorded fix) and 25 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 4 | 0 |
| 1990s | 7 | 9 |
| 2000s | 13 | 2 |
| 2010 to October 18, 2016 | 7 | 14 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 8 | 7 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2015, Resolved.
Show all 31 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Jan 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.12 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2010 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Apr 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Oct 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Jan 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Oct 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Jul 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Apr 1, 2006 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2005 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 30, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1995 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Nov 30, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 4, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 4, 1982 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 1, 1982 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 1, 1982 | Archived |
Enforcement actions
Oklahoma regulators took 25 formal enforcement actions against Tillman Co RWD #1 between 1986 and 2025. The most recent was a compliance order (no penalty) in April 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 29, 2025 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jan 30, 2025 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| May 1, 2024 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Aug 10, 2023 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jan 27, 2021 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Oct 27, 2020 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jul 30, 2020 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Sep 9, 2015 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| May 4, 2015 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Feb 12, 2015 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Apr 5, 2013 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): Nitrate-Nitrite |
| May 3, 2010 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Dec 4, 2009 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Oct 6, 2009 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| May 29, 2009 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Feb 12, 2009 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Nov 20, 2008 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| May 9, 2007 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Feb 22, 2007 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Dec 6, 2006 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Oct 3, 2006 | Oklahoma | Compliance order with a penalty | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| May 2, 1994 | Oklahoma | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| Sep 30, 1988 | Oklahoma | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
| Sep 30, 1987 | Oklahoma | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
| Sep 30, 1986 | Oklahoma | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
What the violations mean
Nitrate-Nitrite
7 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.
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
Tillman Co RWD #1 draws water from 5 wells. It also buys water from Frederick. 2 other community water systems buy water from Tillman Co RWD #1.
Buys water from
- Frederick Frederick, OK
Annual water quality report
Tillman Co RWD #1 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