EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Williamson, Texas

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems21active CWS · pop. 2,500+
Population served687,373reported total; may overlap
Current violation flag14.3%3 systems
Serious-violator flag4.8%1 systems

01 / SYSTEMS

Water systems serving Williamson

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
City Of GeorgetownTX2460001191,639Surface waterCurrent health-based flag
City Of Round RockTX2460003130,662Surface waterNo current violation flagged
City Of LeanderTX246001298,330Surface waterCurrent monitoring/reporting flag
City Of Cedar ParkTX246000986,939Surface waterNo current violation flagged
Jonah Water SudTX246002229,861Surface water purchasedNo current violation flagged
City Of HuttoTX246000729,580Surface water purchasedNo current violation flagged
City Of TaylorTX246000420,622Surface water purchasedNo current violation flagged
Brushy Creek MudTX246006118,314Surface waterNo current violation flagged
Sonterra MudTX246015716,614Surface water purchasedNo current violation flagged
Jarrell Schwertner WscTX24600119,681Surface water purchasedNo current violation flagged
City Of Liberty HillTX24600138,777Surface water purchasedNo current violation flagged
Williamson County Wsid 3TX24601528,265Ground water purchasedNo current violation flagged
Block House MudTX24601106,618Surface water purchasedNo current violation flagged
Williamson Travis County Mud 1TX24601205,793Surface water purchasedNo current violation flagged
Fern Bluff MudTX24601285,682Surface water purchasedNo current violation flagged
Williamson County Mud 11TX24601594,248Surface water purchasedNo current violation flagged
Williamson County Mud 10TX24601453,513Surface water purchasedNo current violation flagged
City Of JarrellTX24601693,450Surface water purchasedNo current violation flagged
Paloma Lake Mud 1TX24601643,111Surface water purchasedNo current violation flagged
City Of BartlettTX24600062,950Ground waterCurrent serious-violator flag
Vista Oaks MudTX24601392,724Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water5 systems · 525,884 served
Surface water purchased14 systems · 150,274 served
Ground water purchased1 systems · 8,265 served
Ground water1 systems · 2,950 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.