NEW BRAUNFELS, Texas Tap Water Quality

122,959 people served · 14 water systems

Poor

NEW BRAUNFELS, Texas is a mid-sized community with 122,959 residents served by a network of 14 public water systems. Water service covers ZIP codes 78130, 78131, 78132.

NEW BRAUNFELS has a notable pattern of EPA health-based violations across multiple compliance periods. Filtered water is a reasonable precaution while the utility implements long-term corrective action.

EPA reporting identifies Total Trihalomethanes (TTHMs) among the regulated contaminants associated with NEW BRAUNFELS's recent health-based violations. Each contaminant has different sources, health implications, and recommended mitigation steps — links to the full EPA reference for each are listed alongside the violation history below.

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

78130 78131 78132

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving NEW BRAUNFELS. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.

Total Trihalomethanes (TTHMs)disinfectant

EPA Code 2950 · Maximum Contaminant Level Exceedance

violations

EPA Limit

0.08 mg/L

Last Reading

.081 MG/L

First Reported

Apr 2024

Most Recent

Oct 2025

What this violation means

Total Trihalomethanes (TTHMs) form when chlorine reacts with naturally occurring organic matter — leaves, soil, algae — in source water. They are among the most commonly reported violations because utilities pulling from surface water (rivers, lakes, reservoirs) struggle to balance disinfection with byproduct formation. Long-term exposure has been linked to bladder cancer and adverse pregnancy outcomes.

Recommended precautions

→Activated carbon filters (pitcher, faucet, or under-sink) effectively reduce TTHMs.
→Letting water sit uncovered allows TTHMs to off-gas — leave a pitcher in the fridge for several hours.
→Shower with the bathroom fan on; TTHMs can volatilize into the air during hot showers.
→Boiling reduces TTHMs through volatilization, but only after extended boiling.

Read the complete guide to Total Trihalomethanes (TTHMs)

Source: EPA Safe Drinking Water Information System (SDWIS). Health-based violations only. Older violations may have been resolved; check your utility's most recent Consumer Confidence Report for current status.

Water Systems Serving NEW BRAUNFELS

NEW BRAUNFELS UTILITIES

PWSID: TX0460001

116,477 served

SEVEN OAKS WATER SUPPLY

PWSID: TX2470016

165 served

CREEKWOOD ESTATES

PWSID: TX2470021

876 served

TBM RESIDENT WSC

PWSID: TX0460095

324 served

4 D WATER

PWSID: TX0460152

282 served

CRWA WELLS RANCH

PWSID: TX0940096

0 served

CRWA HAYS CALDWELL WTP

PWSID: TX0280024

0 served

CRWA LAKE DUNLAP WTP

PWSID: TX0940091

14 served

GBRA JOHNSON RANCH SUBDIVISION

PWSID: TX0460265

2,322 served

3 violations

GBRA LULING PLANT

PWSID: TX0280018

0 served

GBRA LOMAS WATER CO COMAL TRACE

PWSID: TX0460208

792 served

GBRA WESTERN CANYON WATER SUPPLY

PWSID: TX0460239

0 served

GBRA IH-35 TRANSMISSION MAIN

PWSID: TX1050149

0 served

GBRA CORDILLERA RANCH

PWSID: TX1300048

1,707 served

7 violations

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 exceeded 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 NEW BRAUNFELS, Texas tap water safe to drink?▼

This city's water had significant EPA violations in the last 5 years.

How many EPA violations does NEW BRAUNFELS have?▼

NEW BRAUNFELS has 10 EPA health-based water violations in the last 5 years across 14 water systems serving 122,959 people.

What contaminants have been found in NEW BRAUNFELS water?▼

The following EPA-regulated contaminants have been detected: 2950. View details about each contaminant, health effects, and recommended precautions above in the violations table.

Should I use a water filter in NEW BRAUNFELS?▼

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 NEW BRAUNFELS?▼

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.