Public water system record
Crwa Lake Dunlap WTP
On record as serving Guadalupe County, TX · Serves 14 people
Federal records show 9 health-based violations and 6 monitoring/reporting issues for Crwa Lake Dunlap WTP in the last ten years. The most serious issue in this window was a resolved Bromate violation.
System profile
- Health-based violations, last 10 years
- 9
- Resolved
- 9
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Crwa Lake Dunlap WTP draws water from 2 surface water intakes.
- Highest measured level in the last 10 years: Bromate, 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit), 2019.
- Most recent formal enforcement: compliance order with a penalty by Texas, September 2020.
- Record on file since 2014, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 9 service lines.
Check whether Crwa Lake Dunlap WTP 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 |
|---|---|---|---|---|
|
Bromate
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
210 | Oct 1, 2019 | Resolved | No |
|
Bromate
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
210 | Jul 1, 2019 | Resolved | No |
|
Bromate
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
210 | Apr 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2019 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2019 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2018 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
Full record since 2014
EPA's records for Crwa Lake Dunlap WTP go back to 2014. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 9 | 6 |
Enforcement actions
Texas regulators took 1 formal enforcement action against Crwa Lake Dunlap WTP in 2020. The most recent was a compliance order with a penalty in September 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 28, 2020 | Texas | Compliance order with a penalty | 3 violations (3 health-based): Bromate |
What the violations mean
Long Term 2 Enhanced Surface Water Treatment Rule
6 incidentsThe system failed required surface water treatment or filtration standards
Untreated or inadequately treated surface water can contain bacteria and viruses
Bromate
3 incidentsTest results for Bromate were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Crwa Lake Dunlap WTP draws water from 2 surface water intakes. It also buys water from Springs Hill SUD. 8 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Crwa Lake Dunlap WTP.
Buys water from
- Springs Hill SUD Seguin, TX
Community systems that buy water from it
- City of Cibolo Cibolo, TX
- City of Converse Converse, TX
- City of Marion Marion, TX
- Crystal Clear SUD San Marcos, TX
- East Central SUD Adkins, TX
- Green Valley SUD Marion, TX
- San Antonio Water System San Antonio, TX
- Springs Hill SUD Seguin, TX
Annual water quality report
Crwa Lake Dunlap WTP 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 Crwa Lake Dunlap WTP 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