Is Cisco, TX tap water safe?
The short answer
2 of the 2 utilities serving Cisco have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: City of Cisco and Westbound WSC.
City of Cisco, which serves the most people here, has 1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 74.5 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Cisco’s ZIP codes, from EPA’s estimates.
- Open report
City of Cisco
Texas · serves 4,076 people · under 100 in Cisco
1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 74.5 ppb, above the legal limit.
14 health-based violations since 2016
- Open report
Westbound WSC
Texas · serves 3,069 people · under 100 in Cisco
1 result above the legal limit and 3 results above the health goal. The worst: Total trihalomethanes (TTHM) at 108 ppb, above the legal limit.
16 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Cisco’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Water testing near Cisco
The 2 labs Texas certifies closest to Cisco, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Abilene–Taylor County Public Health District
Abilene, TX · about 38 miles
Certified for bacteria
Texas Institute for Applied Environmental Research (TIAER)
Stephenville, TX · about 50 miles
Certified for bacteria
Texas Well Owner Network, Texas A&M AgriLife Extension: Well Informed screening events, where well owners bring in water samples to be screened for common contaminants, followed by an hour-long session explaining the results. Upcoming events are on the network's calendar. Trainings, Texas Well Owner Network.
All 80 certified labs for TexasZIP codes in Cisco
Which ZIP codes are in Cisco: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TCEQ, drinking water laboratories approved for public water system samples; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Cisco
Towns nearby with a page of their own.
What to do next
- Read City of Cisco’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water