Can you drink Big Spring tap water? What EPA records show
EPA TX1140001 · serves Howard County, TX · about 27,282 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
City of Big Spring (EPA TX1140001)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Big Spring's main utility, City of Big Spring: 18 health-based violations since July 1, 2021 in EPA records (EPA SDWIS). EPA's UCMR 5 testing looked for 30 contaminants here and found 6.
What EPA records show for City of Big Spring, as of October 14, 2026
18 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 2.61 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 6.
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 City of Big Spring use chloramine?
We didn't find chloramine in City of Big Spring's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 6.
Lithium: found in 4 of 4 samples, average 40.1 µg/L, highest 55.4 µg/L (EPA UCMR 5 testing, Jun 2023–Mar 2024)
PFBA (a PFAS): found in 4 of 4 samples, average 11.1 ppt, highest 12.5 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024)
PFHxS (a PFAS): found in 3 of 4 samples, average 6.6 ppt, highest 11.1 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024)
PFBS (a PFAS): found in 3 of 4 samples, average 3.6 ppt, highest 5.8 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024)
PFHxA (a PFAS): found in 2 of 4 samples, average 2 ppt, highest 4.1 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024)
PFOS (a PFAS): found in 1 of 4 samples, average 1.1 ppt, highest 4.4 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024)
Lead, 90th percentile: 2.61 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Apr 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Surface Water Treatment Rules, Interim Enhanced Surface Water Treatment Rule, Jan 2026–Mar 2026 (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Oct 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jul 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Apr 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jan 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Oct 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
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.
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Big Spring's main utility, City of Big Spring, as of October 14, 2026. 18 health-based violations since July 1, 2021 in EPA records (EPA SDWIS). EPA's UCMR 5 testing looked for 30 contaminants here and found 6. A guideline and a legal limit are different things, and this is public data, not a test of your tap.
Which utility supplies water in Big Spring?
City of Big Spring is the main utility for Big Spring in EPA's records (EPA TX1140001), serving about 27,282 people (EPA SDWIS). Your water bill names your utility.
Does Big Spring tap water contain PFAS?
PFOS (a PFAS): found in 1 of 4 samples, average 1.1 ppt, highest 4.4 ppt (EPA UCMR 5 testing, Jun 2023–Mar 2024). This is public data, not a test of your tap.
How recent is this data?
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026. Data may be one to three years old and may not reflect the water at your tap. If you want your own tap tested, use a state-certified laboratory.
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