Public water system record
Atascosa Rural WSC
Serves an area of Bexar County, TX that includes San Antonio, Macdona and Von Ormy · 13,857 people served
Federal records show 14 health-based violations and 21 monitoring/reporting issues for Atascosa Rural WSC in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.
System profile
- Health-based violations, last 10 years
- 14
- Resolved
- 14
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 21
Key facts
- Atascosa Rural WSC draws water from 6 wells.
- Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by Texas, April 2023.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 4,219 service lines.
Check whether Atascosa Rural WSC 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 |
|---|---|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2023 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2023 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2023 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
340 | Oct 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2021 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2021 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2021 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2021 | Resolved | No |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jul 1, 2017 | 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
|
Dec 30, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Feb 2, 2024 | Active |
|
Public Notice
OTHER
|
Feb 2, 2024 | Active |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Apr 21, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 21, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 16, 2023 | Resolved |
|
Public Notice
OTHER
|
Nov 3, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 12, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 12, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jan 27, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
May 19, 2021 | Resolved |
|
Public Notice
OTHER
|
May 16, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2013 | Resolved |
Full record since 1980
EPA's records for Atascosa Rural WSC go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 3 | 0 |
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 2 | 2 |
| 2020s | 12 | 18 |
Most recent health-based violation before October 19, 2016: Fluoride, began October 1984, Archived.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
|
Oct 4, 1984 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 23, 1980 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 23, 1980 | Archived |
Enforcement actions
Texas regulators took 2 formal enforcement actions against Atascosa Rural WSC between 2019 and 2023. The most recent was a compliance order (no penalty) in April 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 17, 2023 | Texas | Compliance order (no penalty) | 6 violations (6 health-based): Gross Alpha, Excl. Radon and U |
| Feb 19, 2019 | Texas | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
What the violations mean
Gross Alpha, Excl. Radon and U
12 incidentsTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Nitrate
2 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
Atascosa Rural WSC draws water from 6 wells. It also has an emergency connection to San Antonio Water System and a seasonal connection to Saws Southside.
Emergency or part-time connections to
- San Antonio Water System San Antonio, TX
- Saws Southside San Antonio, TX
Annual water quality report
Atascosa Rural WSC 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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