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Cortland County, New York — public water systems

At a glance

76 active public water systems are filed under Cortland County, New York in EPA's SDWIS records, together reporting 49,794 people served. The largest is Cortland (C), which reports serving 20,095 people. 25 are community water systems serving people where they live; the other 51 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

76

Population served

49.8K

Community systems

25

Groundwater share

100%

How does Cortland County compare with other New York counties?

Cortland County has the 41st-most active public water systems among the 100 counties listed for active New York systems in EPA records; among the 64 with 3 or more systems, the median has 94. Its systems report 49,794 people served in total, the 37th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 655 people, well below the New York average of 2,374. 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 Cortland County's drinking water come from?

By primary water source, Cortland County's active systems draw on groundwater (75, 99%) and purchased groundwater (1, 1.3%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 91% and 8.5% across New York. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Cortland (C), draws primarily on groundwater.

What kinds of water systems operate in Cortland County?

Cortland County's active systems break down as 25 community systems (33%), 6 non-transient non-community systems (7.9%) and 45 transient non-community systems (59%). 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 (78%), local government (21%) and state government (1.3%).

The 50 largest water systems in Cortland County

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Active public water systems in Cortland County, New York
#Water systemCountyPopulation servedTypeSource
1Cortland (C)Cortland20,095CommunityGroundwater
2I-81 Comfort StationCortland7,000Transient non-communityGroundwater
3Homer Village-Newton Water WorksCortland4,368CommunityGroundwater
4Cortlandville Town WaterCortland4,300CommunityGroundwater
5Labrador-Main (Puffin Bird)Cortland1,500Transient non-communityGroundwater
6Virgil W.D. #1 - Greek Peak WaterworksCortland1,400CommunityGroundwater
7Mcgraw VillageCortland1,306CommunityGroundwater
8Marathon VillageCortland1,107CommunityGroundwater
9Song Mountain ResortCortland1,000Transient non-communityGroundwater
10Cincinnatus Water DistrictCortland650CommunityGroundwater
11Yellow Lantern KampgroundsCortland600Transient non-communityGroundwater
12Forest Lake Campground - TruxtonCortland600Transient non-communityGroundwater
13Marybell HomesCortland355CommunityGroundwater
14Central Ny Baptist Youth CampCortland300Transient non-communityGroundwater
15Appleby Elementary SchoolCortland300Non-transient non-communityPurchased groundwater
16Pine Hill Mobile, Inc..Cortland253CommunityGroundwater
17Square Deal Machining 98Cortland250Non-transient non-communityGroundwater
18Lime Hollow - Education CenterCortland216Transient non-communityGroundwater
19Lime Hollow Nature CenterCortland200Transient non-communityGroundwater
20Dwyer Memorial ParkCortland200Transient non-communityGroundwater
21Country Hills CampgroundsCortland180Transient non-communityGroundwater
22Camp HooverCortland175Transient non-communityGroundwater
23Scott Water District No. 1Cortland154CommunityGroundwater
24Knickerbocker Country ClubCortland150Transient non-communityGroundwater
25Tinellis Hathaway HouseCortland150Transient non-communityGroundwater
26Riverside Manor Trailer ParkCortland131CommunityGroundwater
27Suit KoteCortland125Non-transient non-communityGroundwater
28Willowbrook Golf ClubCortland125Transient non-communityGroundwater
29Country Meadows MHPCortland122CommunityGroundwater
30Camp OwahtaCortland120Transient non-communityGroundwater
31Maple Hill Golf ClubCortland120Transient non-communityGroundwater
32Truxton Community CenterCortland110Non-transient non-communityGroundwater
33Pooles Drive inCortland100Transient non-communityGroundwater
34Hunter Mackenzie CreationsCortland100Transient non-communityGroundwater
35Elm Tree Golf CourseCortland100Transient non-communityGroundwater
36Scma Country Music ParkCortland90Transient non-communityGroundwater
37Blue Creek CongregationCortland90Transient non-communityGroundwater
38Lime Hollow 332 McleanCortland80Transient non-communityGroundwater
39Reigning MiraclesCortland80Transient non-communityGroundwater
40Motel 6Cortland75Transient non-communityGroundwater
41Cold Brook Trailer ParkCortland70CommunityGroundwater
42Ripley Hill/Empire CommunityCortland64CommunityGroundwater
43Parker Manor Trailer ParkCortland64CommunityGroundwater
44Longbranch ClubCortland60Transient non-communityGroundwater
45Preble Mobile Home ParkCortland60CommunityGroundwater
46Mountain View RestaurantCortland60Transient non-communityGroundwater
47Harford Water District #1Cortland55CommunityGroundwater
48Mcbride Mobile CourtCortland54CommunityGroundwater
49Preble Water AssociationCortland51CommunityGroundwater
50Northeast Transformer ServicesCortland50Non-transient non-communityGroundwater

All other water systems in Cortland County (26)

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

Cortland County water systems: frequently asked questions

How many public water systems are in Cortland County, New York?

EPA's SDWIS records file 76 active public water systems under Cortland County, New York: 25 community systems (33%), 6 non-transient non-community systems (7.9%) and 45 transient non-community systems (59%).

Who supplies drinking water in Cortland County, NY?

The largest community water systems filed under Cortland County are Cortland (C) (20,095 people served), Homer Village-Newton Water Works (4,368 people served) and Cortlandville Town Water (4,300 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 Cortland County's drinking water come from groundwater or surface water?

Of the 76 active public water systems in Cortland County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Cortland (C), uses groundwater.

Where can I find a water quality report for Cortland 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. 25 community systems are filed under Cortland 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 Cortland 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 York 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 Cortland County, New York”, https://aquacensus.com/water-systems/new-york/cortland (data as of October 1, 2026).