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Counties → Texas

Travis County, Texas

SDWIS compliance plate

Sheet TX453 · Travis County 138 sys · 7,557 viol · #30/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-LARGE · BOOK-FULL

  • VIOL-SEVERE 84.8% flagged
  • HEALTH-LOW 16.4% health
  • RANK-TOP #30/3254
  • PHOTO-FINISH ±0.9 pp
  • PFAS-HIGH 85.0% detect
  • SRC-SW SW lead 51%
  • SYS-LARGE 138 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Parker County (+ 0.9 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Travis County ranks #30 of 3,254 counties by people served, and #5 of 254 counties in Texas. See methodology · corpus placement.

Travis County standing, lower-flagged corpus third

Flagged-system rate 84.8% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 16.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 85.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #30 of 3,254 · #5 of 254 in Texas.

Flagged-rate neighbourhood around Travis County

Lowest/highest poles plus in-state counties nearest Travis County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Howard · lowest Travis · this county Midland · near Bee · highest 66.7% 83.4% 84.8% 85.7% 85.9% 86.3% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
City of Austin Water & Wastewater 1,115,323 29 Detected
City of Pflugerville 63,464 348 Detected
Travis County Wcid 17 45,165 24 Detected
Manville WSC 39,648 55 Detected
West Travis County Public Utility Agency 28,215 42 Detected
Windermere Community 21,231 46 Detected
City of Manor 19,620 32 Detected
Wells Branch MUD 1 18,015 22 Detected
Northtown MUD 11,520 10 Detected
North Austin MUD 1 11,133 10 Clean
Lakeway MUD 10,512 7 Clean
Austins Colony 9,987 9 Detected
Travis County Wcid 10 9,204 7 Detected
Creedmoor Maha WSC 8,907 63 Detected
City of Lago Vista 8,698 41 Detected
Jonestown WSC 7,902 62 Detected
Travis County MUD 4 6,816 12 -
Travis County Wcid 18 5,733 143 Detected
Cottonwood Creek MUD 1 5,082 8 -
MI Ranchito 4,833 0 -
Lazy Nine MUD 1B 4,669 13 -
Shady Hollow MUD 4,269 15 -
Emma Long Metro Park 3,840 92 -
Wilbarger Creek MUD 1 3,459 1 -
Travis County MUD 14 3,333 0 -
Travis County MUD 2 3,294 10 -
Lakeside Wcid 2-C 3,084 0 -
Briarcreek Subdivision 3,075 35 -
Hurst Creek MUD 2,880 13 -
Travis County Wcid Point Venture 2,835 106 -
Lakeside MUD 3 2,832 0 -
Deer Creek Water 2,757 80 -
Lakeside Wcid 2D 2,385 20 -
Kelly Lane Wcid 1 2,331 8 -
Sandy Creek Ranches Subdivision 2,022 14 Clean
Garfield WSC 1,950 99 -
Cypress Ranch Wcid 1 1,785 2 -
Loop 360 WSC 1,743 33 -
Lakeside Wcid 1 1,680 0 -
Travis County MUD 13 1,644 6 -
Travis County MUD 12 1,644 6 -
City of Rollingwood 1,611 22 -
City of Sunset Valley 1,524 25 -
Travis County MUD 18 1,491 14 Detected
Village of Briarcliff 1,438 59 -
Rivercrest Water System 1,437 53 -
Travis County MUD 11 1,437 7 -
Lakeside Wcid 2-B 1,419 0 -
Lakeside Wcid 2-A 1,353 0 -
Barton Creek West WSC 1,251 0 -

Compare beyond Texas

Lower-flagged peers for Travis County

Cross-state counties nearest Travis County on flagged-system share (84.8%) and cumulative violation count (7,557). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.