TapGraded
A

TRAVIS COUNTY MUD 11

Austin, TX · 1,437 served

TRAVIS COUNTY MUD 11 serves 1,437 people in Austin, TX. It has 1 health-based violation in the last 5 years. TapGraded gives this system an A.

Score breakdown

Health-based violations (5y)

1

Monitoring violations (5y)

0

Currently unaddressed

0

Overall score

92/100

Violation history (last 5 years)

2026
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 1.6 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

System details

System type
Community water system
Water source
Surface water purchased from another system
Ownership
Local government
Service connections
479

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Frequently asked questions

Is Austin, TX tap water safe to drink?

TRAVIS COUNTY MUD 11 has 1 health-based violation in the last 5 years. TapGraded gives this system an A.

Does TRAVIS COUNTY MUD 11 have lead in its water?

The most recent 90th-percentile lead sample is 1.6 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in TRAVIS COUNTY MUD 11's water?

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

Source: EPA SDWIS/ECHO · Data as of 2026Q2