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LOCKHART, Texas Tap Water Quality
18,800 people served · 1 water system
A
ExcellentLOCKHART, Texas is a small city with 18,800 residents served by a single public water system. Water service covers ZIP code 78644.
LOCKHART's drinking water utilities have maintained full EPA compliance over the most recent five-year reporting window — no health-based MCL exceedances have been recorded.
Last updated: 2026-05-18 · Source: EPA SDWIS
Location
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Centered on ZIP-code centroids of water systems serving this city.
ZIP Codes Served
Health-Based Violations (Last 5 Years)
EPA Maximum Contaminant Level exceedances reported by water systems serving LOCKHART. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.
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No health-based violations in the last 5 years.
LOCKHART's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Water Systems Serving LOCKHART
What Can You Do?
- ✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
- ✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
- ✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
- ✅ Check back monthly — we update data from the EPA every 30 days.
About this data
This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that remained within federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.
Frequently Asked Questions
Is LOCKHART, Texas tap water safe to drink?▼
This city's water had no EPA health-based violations in the last 5 years.
How many EPA violations does LOCKHART have?▼
LOCKHART has 0 EPA health-based water violations in the last 5 years across 1 water system serving 18,800 people.
Should I use a water filter in LOCKHART?▼
Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.
What should I do if there are violations in LOCKHART?▼
Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.
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