EPA data as of Oct 2026 · page updated 2026-10-30

Harris County Wcid 50 El Lago

Harris County Wcid 50 El Lago (EPA ID TX1010241) in El Lago, TX supplies surface water (rivers, lakes) to about 3,924 people: 4 violations since 2016, latest lead result 14.9 ppb, PFAS not tested.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served3,924
Connections1,308
Sourcesurface water (rivers, lakes)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Di(2-Ethylhexyl) Phthalate4

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Oct 2019.

Lead

Jan 202614.9 ppb
Jan 20253.7 ppb
Jan 20240 ppb
Jan 20236.5 ppb
Jan 20220 ppb
Jan 20162.9 ppb
Jan 20154.1 ppb
Jan 20081.7 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Harris County Wcid 50 El Lago had drinking water violations?

Health-based violations since 2016: Di(2-Ethylhexyl) Phthalate. All are listed as resolved.

What is the lead level in Harris County Wcid 50 El Lago water?

The latest 90th-percentile lead result (Jan 2026) was 14.9 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Harris County Wcid 50 El Lago have PFAS in its water?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).