Berks County, New Jersey — public water systems
At a glance
3 active public water systems are filed under Berks County, New Jersey in EPA's SDWIS records, together reporting 890 people served. The largest is Dunkin Donuts, which reports serving 650 people. 1 is a community water system serving people where they live; the other 2 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
3
Population served
890
Community systems
1
Groundwater share
100%
How does Berks County compare with other New Jersey counties?
Berks County has the 26th-most active public water systems among the 62 counties listed for active New Jersey systems in EPA records; among the 27 with 3 or more systems, the median has 101. Its systems report 890 people served in total, the 31st-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 297 people, well below the New Jersey average of 2,750. 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 Berks County's drinking water come from?
By primary water source, Berks County's active systems draw on groundwater (3, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 96% and 4.5% across New Jersey. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Dunkin Donuts, draws primarily on groundwater.
What kinds of water systems operate in Berks County?
Berks County's active systems break down as 1 community systems (33%) and 2 transient non-community systems (67%). 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 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 (100%).
Water systems in Berks County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Dunkin Donuts | Berks | 650 | Transient non-community | Groundwater |
| 2 | Arbys Restaurant | Berks | 150 | Transient non-community | Groundwater |
| 3 | Windsor Castle MHP | Berks | 90 | Community | Groundwater |
Berks County water systems: frequently asked questions
How many public water systems are in Berks County, New Jersey?
EPA's SDWIS records file 3 active public water systems under Berks County, New Jersey: 1 community systems (33%) and 2 transient non-community systems (67%).
Who supplies drinking water in Berks County, NJ?
The largest community water system filed under Berks County is Windsor Castle MHP (90 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 Berks County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Berks County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Dunkin Donuts, uses groundwater.
Where can I find a water quality report for Berks 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. 1 community system is filed under Berks 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 Berks 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 New Jersey 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 Berks County, New Jersey”, https://aquacensus.com/water-systems/new-jersey/berks (data as of October 1, 2026).