- EPA's UCMR 5 testing looked for 30 contaminants here and found 3.
- Lithium: found in 2 of 6 samples, average 3.27 µg/L, highest 9.8 µg/L (EPA UCMR 5 testing, Feb 2025–Nov 2025)
- PFPeA (a PFAS): found in 3 of 6 samples, average 1.7 ppt, highest 3.8 ppt (EPA UCMR 5 testing, Feb 2025–Nov 2025)
- PFHxA (a PFAS): found in 1 of 6 samples, average 0.60 ppt, highest 3.7 ppt (EPA UCMR 5 testing, Feb 2025–Nov 2025)
- Lead: 9 in 10 homes tested came in at or below 1.09 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2023–Dec 31, 2025). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2025–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2025–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Oct 2024–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jul 2024–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2024–Feb 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2024–Feb 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Oct 2023–Feb 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jul 2023–Feb 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2023–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2023–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Oct 2022–Feb 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Oct 2022–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jul 2022–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2022–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2022–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Oct 2021–Oct 2025 (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jul 2021–Oct 2025 (EPA SDWIS)
Public EPA test results
What EPA records show for Maxwell SUD
EPA system ID TX0280003 · serves Caldwell County, TX · about 16,104 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Maxwell SUD (EPA TX0280003)
What EPA records show for Maxwell SUD, as of October 14, 2026
17 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 1.09 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2023–Dec 31, 2025). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 3.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Maxwell SUD use chloramine?
EPA treatment records (state-reported) list chloramines for Maxwell SUD. EPA record
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
Sources
- EPA ECHO detailed facility report: Maxwell SUD (TX0280003), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
Water filters, shipped to your door
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