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

COUNTY WATER-SYSTEM LEDGER

Lancaster, Pennsylvania

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

Systems23active CWS · pop. 2,500+
Population served318,939reported total; may overlap
Current violation flag4.3%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Lancaster

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 LancasterPA7360058120,000Surface waterNo current violation flagged
Columbia Water CoPA736012325,200Surface waterNo current violation flagged
Ephrata Area Joint AuthorityPA736004524,500Surface waterNo current violation flagged
East Hempfield Water AuthPA736006320,988Surface water purchasedNo current violation flagged
Elizabethtown Area WaterPA736012419,000Surface waterNo current violation flagged
Mt Joy Boro AuthPA736009115,261Groundwater under influence of surface waterNo current violation flagged
Lititz BoroPA73601269,397Groundwater under influence of surface waterNo current violation flagged
Warwick Twp Lititz SysPA73601168,561Purchased ground water under influence of surface water sourceNo current violation flagged
New Holland BoroughPA73600998,490Ground waterNo current violation flagged
Millersville UnivPA73601277,950Ground waterNo current violation flagged
Upper Leacock TownshipPA73601407,734Surface water purchasedNo current violation flagged
East Cocalico Township AuthPA73601136,735Groundwater under influence of surface waterNo current violation flagged
Manheim Area Water & Sewer AutPA73600786,701Groundwater under influence of surface waterNo current violation flagged
East Petersburg BoroughPA73601356,215Surface water purchasedNo current violation flagged
West Earl Water AuthorityPA73601434,327Surface water purchasedNo current violation flagged
Akron BoroughPA73601284,200Ground waterNo current violation flagged
East DonegalPA73600834,048Ground waterNo current violation flagged
Denver BoroPA73600173,861Surface waterNo current violation flagged
Masonic HomesPA73600253,707Ground waterNo current violation flagged
Quarryville BoroPA73601123,150Surface water purchasedOther current violation flag
Strasburg Muni Water AuthPA73601183,100Ground waterNo current violation flagged
Northwestern Lancaster Co AuthPA73601642,968Surface water purchasedNo current violation flagged
Warwick Twp Rothsville SystemPA73601202,846Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water5 systems · 192,561 served
Surface water purchased6 systems · 45,382 served
Groundwater under influence of surface water4 systems · 38,094 served
Ground water7 systems · 34,341 served
Purchased ground water under influence of surface water source1 systems · 8,561 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.