Public water system record
City of Wilson
Serves Wilson, Lynn County, TX · 446 people served
Federal records show 16 health-based violations and 12 monitoring/reporting issues for City of Wilson in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
Source water
Groundwater
ZIP
79381
EPA system ID
TX1530003
- Health-based violations, last 10 years
- 16
- Resolved
- 16
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 12
Key facts
- City of Wilson draws water from 4 wells.
- Highest measured level in the last 10 years: Nitrate, 12 mg/L, federal limit 10 mg/L (1.2 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by Texas, October 2021.
- Record on file since 1978, with 52 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 175 unknown out of 201 service lines.
Check whether City of Wilson 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
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Apr 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jan 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2020 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2020 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Active |
|
Public Notice
OTHER
|
May 2, 2024 | Resolved |
|
Public Notice
OTHER
|
Nov 16, 2023 | Resolved |
|
Public Notice
OTHER
|
Nov 16, 2023 | Resolved |
|
Public Notice
OTHER
|
Oct 2, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Jun 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
Full record since 1978
EPA's records for City of Wilson go back to 1978. Before October 19, 2016 they list 52 health-based violations (40 resolved, 12 archived by EPA without a recorded fix) and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 2 | 0 |
| 1980s | 3 | 0 |
| 1990s | 8 | 0 |
| 2000s | 36 | 5 |
| 2010 to October 18, 2016 | 3 | 9 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 16 | 9 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2012, Resolved.
Show all 52 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Jan 1, 2011 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Oct 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.24 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2009 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Oct 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.255 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.2775 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2009 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Apr 1, 2009 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jan 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1025 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jan 1, 2009 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Jan 1, 2009 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Oct 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1025 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Oct 1, 2008 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.05 mg/L (1.3 times the limit)
|
Jul 1, 2008 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
|
Jan 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Apr 1, 2007 | Resolved |
|
Selenium
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
|
Jan 1, 2007 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jul 1, 2005 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2005 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Oct 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Apr 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Mar 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Mar 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Oct 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Jul 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
Mar 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Oct 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jul 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 1997 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 1997 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Oct 12, 1994 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Sep 2, 1994 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 6, 1991 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Mar 6, 1991 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Mar 6, 1991 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 5, 1987 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Feb 3, 1984 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Feb 3, 1984 | Archived |
2 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Texas regulators took 4 formal enforcement actions against City of Wilson between 1991 and 2021. The most recent was a compliance order (no penalty) in October 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 27, 2021 | Texas | Compliance order (no penalty) | 13 violations (13 health-based): Nitrate |
| Oct 14, 2009 | Texas | Signed compliance agreement | 8 violations (8 health-based): Nitrate |
| Oct 6, 2009 | Texas | Signed compliance agreement | 11 violations (11 health-based): Selenium, Fluoride |
| Oct 23, 1991 | Texas | Signed compliance agreement | 19 violations (18 health-based): Fluoride |
What the violations mean
Nitrate
16 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
City of Wilson draws water from 4 wells.
Annual water quality report
City of Wilson 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 City of Wilson 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 Texas.
Certified drinking water labs by state EPA guidance for private wells