Public water system record
Maxwell SUD
Serves an area of Caldwell County, TX · 16,104 people served
Federal records show 24 health-based violations and 12 monitoring/reporting issues for Maxwell SUD in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 24
- Resolved
- 24
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Maxwell SUD draws water from 3 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit), 2019.
- Most recent formal enforcement: compliance order with a penalty by Texas, August 2020.
- Record on file since 2005, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 19 unknown out of 4,217 service lines.
Check whether Maxwell SUD 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Apr 1, 2025 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2025 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Oct 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.112 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jul 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Apr 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jan 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 16, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 2, 2021 | Resolved |
|
Public Notice
OTHER
|
Oct 11, 2021 | Resolved |
|
Public Notice
OTHER
|
Dec 10, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 19, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 8, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 23, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 25, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 24, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 2005
EPA's records for Maxwell SUD go back to 2005. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 2 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 4 | 3 |
| 2020s | 20 | 9 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began April 2005, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Apr 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.08 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
Jan 1, 2005 | Resolved |
Enforcement actions
Texas regulators took 1 formal enforcement action against Maxwell SUD in 2020. The most recent was a compliance order with a penalty in August 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 27, 2020 | Texas | Compliance order with a penalty | 21 violations (21 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
24 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Maxwell SUD draws water from 3 wells. It also buys water from Crwa Hays Caldwell WTP.
Buys water from
- Crwa Hays Caldwell WTP New Braunfels, TX
Annual water quality report
Maxwell SUD 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