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Sagadahoc County, Maine — public water systems

At a glance

38 active public water systems are filed under Sagadahoc County, Maine in EPA's SDWIS records, together reporting 18,883 people served. The largest is Bath Water District, which reports serving 9,205 people. 9 are community water systems serving people where they live; the other 29 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

38

Population served

18.9K

Community systems

9

Groundwater share

89.5%

How does Sagadahoc County compare with other Maine counties?

Sagadahoc County has the 16th-most active public water systems among the 17 counties listed for active Maine systems in EPA records; among the 16 with 3 or more systems, the median has 105. Its systems report 18,883 people served in total, the 15th-largest county figure in the state and 2% of the statewide total. The average system here reports serving 497 people, roughly in line with the Maine average of 503. 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 Sagadahoc County's drinking water come from?

By primary water source, Sagadahoc County's active systems draw on groundwater (34, 89%) and surface water (4, 11%). Overall, 89% rely mainly on groundwater (including purchased groundwater) and 11% on surface water, compared with 96% and 3.7% across Maine. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Bath Water District, draws primarily on surface water.

What kinds of water systems operate in Sagadahoc County?

Sagadahoc County's active systems break down as 9 community systems (24%), 5 non-transient non-community systems (13%) and 24 transient non-community systems (63%). 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 (76%), local government (13%) and state government (11%).

Water systems in Sagadahoc County

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Active public water systems in Sagadahoc County, Maine
#Water systemCountyPopulation servedTypeSource
1Bath Water DistrictSagadahoc9,205CommunitySurface water
2Richmond Utilities DistrictSagadahoc1,390CommunityGroundwater
3Sebasco Harbor ResortSagadahoc991Transient non-communityGroundwater
4Mdoc State Park-Popham Beach WestSagadahoc800Transient non-communityGroundwater
5Bowdoinham Water DistrictSagadahoc738CommunityGroundwater
6Hermit Island Cg #1Sagadahoc695Transient non-communityGroundwater
7Meadowbrook Camping AreaSagadahoc377Transient non-communityGroundwater
8Small Point Water CompanySagadahoc314Transient non-communityGroundwater
9Mdoc State Park-Reid Todd PointSagadahoc310Transient non-communityGroundwater
10Derecktor Maine LLCSagadahoc264Transient non-communityGroundwater
11Macmahan IslandSagadahoc252Transient non-communitySurface water
12Waters Edge RestaurantSagadahoc250Transient non-communityGroundwater
13Msad 75 Bowdoin Central SchoolSagadahoc250Non-transient non-communityGroundwater
14Bath Golf ClubSagadahoc245Transient non-communityGroundwater
15Topsham Mobile Home Park Inc.Sagadahoc243CommunityGroundwater
16SpinneysSagadahoc204Transient non-communitySurface water
17Mdoc State Park-Reid Griffiths HeadSagadahoc200Transient non-communityGroundwater
18Augusta-Gardiner KoaSagadahoc195Transient non-communityGroundwater
19Sagadahoc Bay CampgroundSagadahoc175Transient non-communityGroundwater
20Richmond Retail PlazaSagadahoc168Transient non-communityGroundwater
21Robinhood Free MeetinghouseSagadahoc164Transient non-communityGroundwater
22Grey Havens InnSagadahoc158Transient non-communityGroundwater
23Hillhouse Inc.Sagadahoc146CommunityGroundwater
24Cathance Trailer ParkSagadahoc135CommunityGroundwater
25Indian Point AssociationSagadahoc130Transient non-communityGroundwater
26Chop Point (Greenhouse)Sagadahoc123Non-transient non-communityGroundwater
27Rsu 01 Phippsburg Elementary SchoolSagadahoc120Non-transient non-communityGroundwater
28Hermit Island Cg #2Sagadahoc115Transient non-communityGroundwater
29Fhc Inc.Sagadahoc110Non-transient non-communityGroundwater
30Aos 98 Georgetown Central SchoolSagadahoc98Non-transient non-communityGroundwater
31Pinewood Acres Trailer ParkSagadahoc95CommunityGroundwater
32Swan Island WmaSagadahoc43Transient non-communityGroundwater
33Meadowview ApartmentsSagadahoc40CommunityGroundwater
34Happy Trails MHPSagadahoc33CommunityGroundwater
35Nouria-TopshamSagadahoc30Transient non-communityGroundwater
36Six Rivers Youth SportsSagadahoc27Transient non-communityGroundwater
37Exit 43 Quick StopSagadahoc25Transient non-communityGroundwater
38Fish House Cove Water Co Inc.Sagadahoc25Transient non-communitySurface water

Sagadahoc County water systems: frequently asked questions

How many public water systems are in Sagadahoc County, Maine?

EPA's SDWIS records file 38 active public water systems under Sagadahoc County, Maine: 9 community systems (24%), 5 non-transient non-community systems (13%) and 24 transient non-community systems (63%).

Who supplies drinking water in Sagadahoc County, ME?

The largest community water systems filed under Sagadahoc County are Bath Water District (9,205 people served), Richmond Utilities District (1,390 people served) and Bowdoinham Water District (738 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 Sagadahoc County's drinking water come from groundwater or surface water?

Of the 38 active public water systems in Sagadahoc County, 89% draw mainly on groundwater and 11% on surface water, counting purchased supplies. The largest system, Bath Water District, uses surface water.

Where can I find a water quality report for Sagadahoc 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. 9 community systems are filed under Sagadahoc 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 Sagadahoc 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 Maine 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 Sagadahoc County, Maine”, https://aquacensus.com/water-systems/maine/sagadahoc (data as of October 1, 2026).