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ZIP 78701

Water quality in Austin, TX (78701)

Drinking water in ZIP 78701 (Austin, Travis County) comes from 70 public water system s on EPA's records. The list below is ranked by population served: the largest regional authority for your area appears first, smaller subdivisions and private systems below.

Combined population served: 1,522,692 people.

Public water systems serving ZIP 78701

Ranked by population served. Tier badges show how EPA records each utility's service area: "Serves your city" means EPA's geographic-areas table specifically lists Austin; "Serves your county" means the utility serves Travis County (regional authorities are usually filed this way); "Billing address at this ZIP" means the utility files paperwork from this ZIP but EPA does not confirm it serves you.

  1. CITY OF AUSTIN WATER & WASTEWATER

    AUSTIN · PWSID TX2270001

    Serves 1.1M people

    Serves your county
  2. CITY OF PFLUGERVILLE

    PFLUGERVILLE · PWSID TX2270014

    Serves 63k people

    Serves your county
  3. TRAVIS COUNTY WCID 17

    AUSTIN · PWSID TX2270027

    Serves 45k people

    Serves your county
  4. MANVILLE WSC

    COUPLAND · PWSID TX2270033

    Serves 40k people

    Serves your county
  5. PASEO DEL ESTE MUD 1

    AUSTIN · PWSID TX0710186

    Serves 37k people

    Billing address at this ZIP
  6. WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY

    AUSTIN · PWSID TX2270235

    Serves 36k people

    Serves your county
  7. WINDERMERE COMMUNITY

    AUSTIN · PWSID TX2270161

    Serves 21k people

    Serves your county
  8. CITY OF MANOR

    MANOR · PWSID TX2270002

    Serves 20k people

    Serves your county
  9. WELLS BRANCH MUD 1

    AUSTIN · PWSID TX2270227

    Serves 18k people

    Serves your county
  10. SONTERRA MUD

    AUSTIN · PWSID TX2460157

    Serves 17k people

    Billing address at this ZIP
  11. NORTHTOWN MUD

    AUSTIN · PWSID TX2270264

    Serves 12k people

    Serves your county
  12. NORTH AUSTIN MUD 1

    AUSTIN · PWSID TX2270226

    Serves 11k people

    Serves your county
  13. LAKEWAY MUD

    LAKEWAY · PWSID TX2270012

    Serves 11k people

    Serves your county
  14. AUSTINS COLONY

    AUSTIN · PWSID TX2270255

    Serves 9,987 people

    Serves your county
  15. TRAVIS COUNTY WCID 10

    WEST LAKE HILLS · PWSID TX2270182

    Serves 9,204 people

    Serves your county
  16. CREEDMOOR MAHA WSC

    BUDA · PWSID TX2270008

    Serves 8,907 people

    Serves your county
  17. CITY OF LAGO VISTA

    LAGO VISTA · PWSID TX2270092

    Serves 8,698 people

    Serves your county
  18. WILLIAMSON COUNTY WSID 3

    AUSTIN · PWSID TX2460152

    Serves 8,265 people

    Billing address at this ZIP
  19. JONESTOWN WSC

    JONESTOWN · PWSID TX2270011

    Serves 7,902 people

    Serves your county
  20. TRAVIS COUNTY MUD 4

    AUSTIN · PWSID TX2270325

    Serves 6,816 people

    Serves your county
  21. TRAVIS COUNTY WCID 18

    AUSTIN · PWSID TX2270083

    Serves 5,733 people

    Serves your county
  22. COTTONWOOD CREEK MUD 1

    AUSTIN · PWSID TX2270355

    Serves 5,082 people

    Serves your county
  23. LAZY NINE MUD 1B

    AUSTIN · PWSID TX2270417

    Serves 4,669 people

    Serves your county
  24. SHADY HOLLOW MUD

    AUSTIN · PWSID TX2270229

    Serves 4,269 people

    Serves your county
  25. WILLIAMSON COUNTY MUD 11

    AUSTIN · PWSID TX2460159

    Serves 4,248 people

    Billing address at this ZIP
  26. WILLIAMSON COUNTY MUD 10

    AUSTIN · PWSID TX2460145

    Serves 3,513 people

    Billing address at this ZIP
  27. WILBARGER CREEK MUD 1

    AUSTIN · PWSID TX2270380

    Serves 3,459 people

    Serves your county
  28. HAYS COUNTY WCID 2

    AUSTIN · PWSID TX1050148

    Serves 3,381 people

    Billing address at this ZIP
  29. TRAVIS COUNTY MUD 14

    AUSTIN · PWSID TX2270353

    Serves 3,333 people

    Serves your county
  30. TRAVIS COUNTY MUD 2

    AUSTIN · PWSID TX2270241

    Serves 3,294 people

    Serves your county
  31. PALOMA LAKE MUD 1

    AUSTIN · PWSID TX2460164

    Serves 3,111 people

    Billing address at this ZIP
  32. LAKESIDE WCID 2-C

    AUSTIN · PWSID TX2270373

    Serves 3,084 people

    Serves your county
  33. BRIARCREEK SUBDIVISION

    AUSTIN · PWSID TX2270354

    Serves 3,075 people

    Serves your county
  34. HURST CREEK MUD

    THE HILLS · PWSID TX2270172

    Serves 2,880 people

    Serves your county
  35. HAYS COUNTY WCID 1

    AUSTIN · PWSID TX1050137

    Serves 2,850 people

    Billing address at this ZIP
  36. TRAVIS COUNTY WCID POINT VENTURE

    LAGO VISTA · PWSID TX2270038

    Serves 2,835 people

    Serves your county
  37. LAKESIDE MUD 3

    AUSTIN · PWSID TX2270422

    Serves 2,832 people

    Serves your county
  38. DEER CREEK WATER

    CANYON LAKE · PWSID TX2270049

    Serves 2,757 people

    Serves your county
  39. VISTA OAKS MUD

    AUSTIN · PWSID TX2460139

    Serves 2,724 people

    Billing address at this ZIP
  40. LAKESIDE WCID 2D

    AUSTIN · PWSID TX2270410

    Serves 2,385 people

    Serves your county
  41. KELLY LANE WCID 1

    AUSTIN · PWSID TX2270382

    Serves 2,331 people

    Serves your county
  42. PALOMA LAKE MUD 2

    AUSTIN · PWSID TX2460165

    Serves 2,265 people

    Billing address at this ZIP
  43. THE COLONY MUD 1A

    AUSTIN · PWSID TX0110053

    Serves 2,262 people

    Billing address at this ZIP
  44. SANDY CREEK RANCHES SUBDIVISION

    AUSTIN · PWSID TX2270054

    Serves 2,022 people

    Serves your county
  45. GARFIELD WSC

    DEL VALLE · PWSID TX2270009

    Serves 1,950 people

    Serves your county
  46. CYPRESS RANCH WCID 1

    AUSTIN · PWSID TX2270352

    Serves 1,785 people

    Serves your county
  47. LOOP 360 WSC

    AUSTIN · PWSID TX2270242

    Serves 1,743 people

    Serves your county
  48. LAKESIDE WCID 1

    AUSTIN · PWSID TX2270408

    Serves 1,680 people

    Serves your county
  49. TRAVIS COUNTY MUD 12

    AUSTIN · PWSID TX2270398

    Serves 1,644 people

    Serves your county
  50. TRAVIS COUNTY MUD 13

    AUSTIN · PWSID TX2270388

    Serves 1,644 people

    Serves your county
  51. CITY OF ROLLINGWOOD

    ROLLINGWOOD · PWSID TX2270016

    Serves 1,611 people

    Serves your county
  52. CITY OF SUNSET VALLEY

    SUNSET VALLEY · PWSID TX2270004

    Serves 1,524 people

    Serves your county
  53. TRAVIS COUNTY MUD 18

    ROUND ROCK · PWSID TX2270403

    Serves 1,491 people

    Serves your county
  54. VILLAGE OF BRIARCLIFF

    BRIARCLIFF · PWSID TX2270007

    Serves 1,438 people

    Serves your county
  55. RIVERCREST WATER SYSTEM

    AUSTIN · PWSID TX2270041

    Serves 1,437 people

    Serves your county
  56. TRAVIS COUNTY MUD 11

    AUSTIN · PWSID TX2270379

    Serves 1,437 people

    Serves your county
  57. LAKESIDE WCID 2-B

    AUSTIN · PWSID TX2270371

    Serves 1,419 people

    Serves your county
  58. LAKESIDE WCID 2-A

    AUSTIN · PWSID TX2270409

    Serves 1,353 people

    Serves your county
  59. BARTON CREEK WEST WSC

    DRIPPING SPRINGS · PWSID TX2270312

    Serves 1,251 people

    Serves your county
  60. KELLY LANE WCID 2

    AUSTIN · PWSID TX2270386

    Serves 1,221 people

    Serves your county
  61. SENNA HILLS MUD

    AUSTIN · PWSID TX2270316

    Serves 1,215 people

    Serves your county
  62. THE COLONY MUD 1B

    AUSTIN · PWSID TX0110054

    Serves 657 people

    Billing address at this ZIP
  63. THE COLONY MUD 1E

    AUSTIN · PWSID TX0110052

    Serves 468 people

    Billing address at this ZIP
  64. THE COLONY MUD 1D

    AUSTIN · PWSID TX0110056

    Serves 276 people

    Billing address at this ZIP
  65. THE COLONY MUD 1C

    AUSTIN · PWSID TX0110055

    Serves 219 people

    Billing address at this ZIP
  66. WEST BASTROP VILLAGE MUD

    AUSTIN · PWSID TX0110064

    Serves 120 people

    Billing address at this ZIP
  67. MIRALOMAS MUD

    AUSTIN · PWSID TX1300060

    Serves 113 people

    Billing address at this ZIP
  68. ELGIN MUD 1

    AUSTIN · PWSID TX0110068

    Serves 90 people

    Billing address at this ZIP
  69. THE COLONY MUD 1F

    AUSTIN · PWSID TX0110057

    Serves 87 people

    Billing address at this ZIP
  70. ELGIN MUNICIPAL UTILITY DISTRICT 2

    AUSTIN · PWSID TX0110066

    Serves 45 people

    Billing address at this ZIP

More for TX

How we matched ZIP 78701: we translate the ZIP to a city and county via the Geonames postal database, then match against service-area cities and counties EPA has on file for each public water system. EPA does not publish authoritative service-area boundary maps for most systems, so there is still some guesswork; large regional authorities (e.g., county-wide water and sewer authorities) are usually filed at the county level even when they serve specific cities. Your water bill names the authoritative utility. Methodology.