El Paso County, Texas has about 875,784 residents (Census 2024 estimate) and 22 community water systems in EPA records. The largest local system is El Paso Water Utilities, serving about 747,168 people from surface water.
✓ 0 of 6 largest systems with health-based violationsPFAS detected at 5 of 6 sampled systemsHardness 10.2 gpg (high confidence)
Public-record figures, not a test of your tap. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.
How hard is El Paso County water?
El Paso Water UtilitiesMeasured (utility report, undated chemical analysis (page read 2026-10-21)) · High confidence
Public-record figures, not a test of your tap. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.
Softener size at 10.2 gpg
For a 3-person home using 57 gallons per person per day and regenerating weekly, you'd remove about 12,209 grains between regenerations. Suggested size: 24,000 grain.
Estimate only. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.
The 6 biggest of 22 community water systems on EPA records for this county. Service areas don't follow county lines; your water bill names your provider.
El Paso Water Utilities
TX0710002 · serves about 747,168 people · Surface water
✓ No health-based violations✓ Lead below detectionPFAS detected (6 types)
Lead 90th percentile: <DL (below the lab detection/reporting limit; reported as 0) (period starting 2026-01-01). Action level: 15 ppb (drops to 10 ppb on Nov 1, 2027).
PFBA: highest sample 11 ppt (3 of 57 samples); no federal limit
PFOS: highest sample 8.5 ppt (2 of 57 samples); federal limit 4.0 ppt as a running annual average
PFBS: highest sample 8.5 ppt (2 of 57 samples); no individual limit; counted in EPA's PFAS mixture (hazard index) limit
PFPeA: highest sample 5.9 ppt (6 of 57 samples); no federal limit
PFHxS: highest sample 5.5 ppt (3 of 57 samples); federal limit 10.0 ppt as a running annual average, also counted in EPA's PFAS mixture (hazard index) limit (currently in effect; EPA has proposed removing it)
PFHxA: highest sample 4.5 ppt (5 of 57 samples); no federal limit
TX0710154 · serves about 59,049 people · Surface water
✓ No health-based violations✓ Lead below detectionPFAS detected (3 types)
Lead 90th percentile: <DL (below the lab detection/reporting limit; reported as 0) (period starting 2025-01-01). Action level: 15 ppb (drops to 10 ppb on Nov 1, 2027).
PFBA: highest sample 5.3 ppt (1 of 6 samples); no federal limit
PFHxA: highest sample 3.4 ppt (1 of 6 samples); no federal limit
PFPeA: highest sample 3.3 ppt (1 of 6 samples); no federal limit
TX0710020 · serves about 28,000 people · Groundwater
✓ No health-based violations✓ Lead below detectionPFAS detected (2 types)
Lead 90th percentile: <DL (below the lab detection/reporting limit; reported as 0) (period starting 2022-01-01) Older result. Action level: 15 ppb (drops to 10 ppb on Nov 1, 2027).
PFHxS: highest sample 3.7 ppt (1 of 4 samples); federal limit 10.0 ppt as a running annual average, also counted in EPA's PFAS mixture (hazard index) limit (currently in effect; EPA has proposed removing it)
PFHxA: highest sample 3.1 ppt (1 of 4 samples); no federal limit
Public-record figures, not a test of your tap. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.
A PFAS detection is not a violation. Federal limits (4 ppt for PFOA and PFOS) apply to running annual averages, with compliance required by 2029. In May 2026 EPA proposed extending the PFOA/PFOS deadline to 2031 and removing other PFAS limits; not final as of 2026-10-21.
Test your own tap
These are public records for whole systems. Your home's pipes, fixtures and any private well can change what you drink. A certified lab test or a hardness test strip gives you your own numbers. Then use our PFAS and lead filter selector to see which certifications to look for.
Common questions about El Paso County water
Is tap water in El Paso County safe to drink?
None of the 6 largest systems here have a health-based violation in EPA records since October 2021. El Paso Water Utilities's most recent lead 90th percentile was below the lab detection limit (2026), below the 15 ppb action level. Public records can't guarantee what comes out of your tap, especially with older plumbing, so a home test is the surest check.
How hard is the water in El Paso County?
El Paso Water Utilities reports about 10.2 grains per gallon (175 mg/L), which is hard. For a 3-person home at 10.2 gpg, our softener calculator suggests a 24,000 grain unit as a starting point.
Is there PFAS in El Paso County water?
5 of the 6 sampled systems listed here detected at least one PFAS in EPA's UCMR 5 testing, and one result was above the level of a federal limit in at least one sample. A detection isn't a violation: federal PFAS limits apply to running annual averages starting in 2029.
Which water system serves my address in El Paso County?
Most homes are served by El Paso Water Utilities or one of the other systems listed on this page, but service areas don't follow county lines. Your water bill names your provider, and its annual Consumer Confidence Report has the full test results.
Data as of October 21, 2026. Figures are copied from public records and combined with our own calculations; they can be out of date or wrong. Tapped Out isn't affiliated with any utility or the EPA. Written and reviewed by the Tapped Out team. How we calculate · All sources.