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Lawrence County, Pennsylvania — public water systems

At a glance

55 active public water systems are filed under Lawrence County, Pennsylvania in EPA's SDWIS records, together reporting 75,133 people served. The largest is Pa Amer Water Co New Castle, which reports serving 43,279 people. 15 are community water systems serving people where they live; the other 40 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

55

Population served

75.1K

Community systems

15

Groundwater share

90.9%

How does Lawrence County compare with other Pennsylvania counties?

Lawrence County has the 43rd-most active public water systems among the 99 counties listed for active Pennsylvania systems in EPA records; among the 71 with 3 or more systems, the median has 76. Its systems report 75,133 people served in total, the 33rd-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 1,366 people, about 22% below the Pennsylvania average of 1,741. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Lawrence County's drinking water come from?

By primary water source, Lawrence County's active systems draw on groundwater (50, 91%), purchased surface water (3, 5.5%) and surface water (2, 3.6%). Overall, 91% rely mainly on groundwater (including purchased groundwater) and 9.1% on surface water, compared with 93% and 6.8% across Pennsylvania. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Pa Amer Water Co New Castle, draws primarily on surface water.

What kinds of water systems operate in Lawrence County?

Lawrence County's active systems break down as 15 community systems (27%), 11 non-transient non-community systems (20%) and 29 transient non-community systems (53%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (64%), public/private partnership (20%), local government (11%) and state government (5.5%).

The 50 largest water systems in Lawrence County

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Active public water systems in Lawrence County, Pennsylvania
#Water systemCountyPopulation servedTypeSource
1Pa Amer Water Co New CastleLawrence43,279CommunitySurface water
2Pa Amer Water Co Ellwood CtyLawrence17,200CommunitySurface water
3New Wilmington Boro Water DeptLawrence4,500CommunityPurchased surface water
4Bessemer Borough Water DeptLawrence1,100CommunityGroundwater
5Mahoning TownshipLawrence1,032CommunityPurchased surface water
6Mohawk Elementary SchoolLawrence900Non-transient non-communityGroundwater
7Mohawk Area High SchoolLawrence850Non-transient non-communityGroundwater
8Borough of Wampum Water DeptLawrence832CommunityGroundwater
9Laurel Elementary SchoolLawrence750Non-transient non-communityGroundwater
10Laurel High SchoolLawrence750Non-transient non-communityGroundwater
11Pa Dot Rest Area 16Lawrence500Transient non-communityGroundwater
12Pa Dot Rest Area 15Lawrence500Transient non-communityGroundwater
13Sheetz #246Lawrence250Non-transient non-communityGroundwater
14Drivers Examination CenterLawrence200Transient non-communityGroundwater
15Our Lady of Mt CarmelLawrence200Transient non-communityGroundwater
16Slovenian Natl Benefit SocietyLawrence150Transient non-communityGroundwater
17New Castle School of TradesLawrence150Non-transient non-communityGroundwater
18Volant Borough Water DeptLawrence120CommunityGroundwater
19Tic Toc Food Mart #104Lawrence100Transient non-communityGroundwater
20Last Minit Mart LaurelLawrence100Transient non-communityGroundwater
21Sarah Heinz HouseLawrence100Transient non-communityGroundwater
22Boggs LLCLawrence100Transient non-communityGroundwater
23Cedar Acres Mobile Home ParkLawrence95CommunityGroundwater
24New Castle EstatesLawrence80CommunityGroundwater
25Delmar Golf CourseLawrence75Transient non-communityGroundwater
26Eastbrook ApartmentsLawrence75CommunityGroundwater
27Pizza JoesLawrence75Transient non-communityGroundwater
28Woodmere EstatesLawrence61CommunityGroundwater
29North Star VillageLawrence60CommunityGroundwater
30Rose Point ParkLawrence60Transient non-communityGroundwater
31Country Roads MHPLawrence60CommunityGroundwater
32Majors Mobilehome ParkLawrence55CommunityGroundwater
33Polish White Eagle SocietyLawrence50Transient non-communityGroundwater
34Scott Twp Vol Fire DeptLawrence50Transient non-communityGroundwater
35Hill House RestaurantLawrence50Transient non-communityGroundwater
36Books MarketLawrence50Transient non-communityGroundwater
37Marti ParkLawrence50Transient non-communityGroundwater
38Powder Mill WorksLawrence50Non-transient non-communityGroundwater
39Ellwood Specialty SteelLawrence50Non-transient non-communityGroundwater
40Countryside Estates MHPLawrence39CommunityGroundwater
41Praxair ThermalLawrence35Non-transient non-communityGroundwater
42Hickory Run EnergyLawrence25Non-transient non-communityGroundwater
43Wayne Twp FirehallLawrence25Transient non-communityGroundwater
44Ben Franklins Beer BarnLawrence25Transient non-communityGroundwater
45Rose Point Park CabinsLawrence25Transient non-communityGroundwater
46Marias Country StoreLawrence25Transient non-communityGroundwater
47Nova Cellars WineryLawrence25Transient non-communityGroundwater
48Sunset RanchLawrence25Transient non-communityGroundwater
49Mount Jackson MuseumLawrence25Transient non-communityGroundwater
50Georgetown EatsLawrence25Transient non-communityGroundwater

All other water systems in Lawrence County (5)

The remaining active systems filed under Lawrence County, largest first, with the population each reports serving.

Lawrence County water systems: frequently asked questions

How many public water systems are in Lawrence County, Pennsylvania?

EPA's SDWIS records file 55 active public water systems under Lawrence County, Pennsylvania: 15 community systems (27%), 11 non-transient non-community systems (20%) and 29 transient non-community systems (53%).

Who supplies drinking water in Lawrence County, PA?

The largest community water systems filed under Lawrence County are Pa Amer Water Co New Castle (43,279 people served), Pa Amer Water Co Ellwood Cty (17,200 people served) and New Wilmington Boro Water Dept (4,500 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Lawrence County's drinking water come from groundwater or surface water?

Of the 55 active public water systems in Lawrence County, 91% draw mainly on groundwater and 9.1% on surface water, counting purchased supplies. The largest system, Pa Amer Water Co New Castle, uses surface water.

Where can I find a water quality report for Lawrence County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 15 community systems are filed under Lawrence County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Lawrence County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Pennsylvania water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Lawrence County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/lawrence (data as of October 1, 2026).