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Erie County, Ohio — public water systems

At a glance

13 active public water systems are filed under Erie County, Ohio in EPA's SDWIS records, together reporting 80,490 people served. The largest is Sandusky City, which reports serving 25,793 people. 12 are community water systems serving people where they live; the other 1 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

13

Population served

80.5K

Community systems

12

Groundwater share

0%

How does Erie County compare with other Ohio counties?

Erie County has the 71st-most active public water systems among the 133 counties listed for active Ohio systems in EPA records; among the 92 with 3 or more systems, the median has 29. Its systems report 80,490 people served in total, the 27th-largest county figure in the state and 0.8% of the statewide total. The average system here reports serving 6,192 people, about 124% above the Ohio average of 2,767. 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 Erie County's drinking water come from?

By primary water source, Erie County's active systems draw on purchased surface water (8, 62%) and surface water (5, 38%). Overall, none rely mainly on groundwater (including purchased groundwater) and all on surface water, compared with 92% and 7.6% across Ohio. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Sandusky City, draws primarily on surface water.

What kinds of water systems operate in Erie County?

Erie County's active systems break down as 12 community systems (92%) and 1 transient non-community systems (7.7%). 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 local government (92%) and private (7.7%).

Water systems in Erie County

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Active public water systems in Erie County, Ohio
#Water systemCountyPopulation servedTypeSource
1Sandusky CityErie25,793CommunitySurface water
2Erie Co Perkins DistrictErie17,241CommunityPurchased surface water
3Vermilion CityErie10,594CommunitySurface water
4Huron CityErie6,893CommunitySurface water
5Northern Ohio Rural Water - Nw DistrictErie6,409CommunityPurchased surface water
6Erie Co Margaretta DistrictErie5,131CommunityPurchased surface water
7Kelleys Island VillageErie3,125CommunitySurface water
8Erie Co Huron East DistrictErie1,713CommunityPurchased surface water
9Milan Village PwsErie1,371CommunityPurchased surface water
10Erie Co Huron South DistrictErie1,086CommunityPurchased surface water
11Erie Co Vermilion DistrictErie930CommunityPurchased surface water
12Camp PatmosErie150Transient non-communitySurface water
13Erie Co Vermilion W DistrictErie54CommunityPurchased surface water

Erie County water systems: frequently asked questions

How many public water systems are in Erie County, Ohio?

EPA's SDWIS records file 13 active public water systems under Erie County, Ohio: 12 community systems (92%) and 1 transient non-community systems (7.7%).

Who supplies drinking water in Erie County, OH?

The largest community water systems filed under Erie County are Sandusky City (25,793 people served), Erie Co Perkins District (17,241 people served) and Vermilion City (10,594 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 Erie County's drinking water come from groundwater or surface water?

Of the 13 active public water systems in Erie County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, Sandusky City, uses surface water.

Where can I find a water quality report for Erie 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. 12 community systems are filed under Erie 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 Erie 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 Ohio 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 Erie County, Ohio”, https://aquacensus.com/water-systems/ohio/erie (data as of October 1, 2026).