Hamilton County, New York — public water systems
At a glance
84 active public water systems are filed under Hamilton County, New York in EPA's SDWIS records, together reporting 14,324 people served. The largest is Speculator V, which reports serving 2,008 people. 7 are community water systems serving people where they live; the other 77 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
84
Population served
14.3K
Community systems
7
Groundwater share
96.4%
How does Hamilton County compare with other New York counties?
Hamilton County has the 38th-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 14,324 people served in total, the 57th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 171 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 Hamilton County's drinking water come from?
By primary water source, Hamilton County's active systems draw on groundwater (81, 96%) and surface water (3, 3.6%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 3.6% 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, Speculator V, draws primarily on groundwater.
What kinds of water systems operate in Hamilton County?
Hamilton County's active systems break down as 7 community systems (8.3%), 1 non-transient non-community systems (1.2%) and 76 transient non-community systems (90%). 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 (74%), state government (15%) and local government (11%).
The 50 largest water systems in Hamilton County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Speculator V | Hamilton | 2,008 | Community | Groundwater |
| 2 | Nys-Sacandaga Campsite | Hamilton | 1,350 | Transient non-community | Groundwater |
| 3 | Moffitt Beach Spc | Hamilton | 900 | Transient non-community | Groundwater |
| 4 | Indian Lake Wd | Hamilton | 900 | Community | Groundwater |
| 5 | Lewey Lake Spc | Hamilton | 836 | Transient non-community | Groundwater |
| 6 | Long Lake Wd | Hamilton | 800 | Community | Surface water |
| 7 | Limekiln Lake Spc | Hamilton | 500 | Transient non-community | Groundwater |
| 8 | Wells Wd | Hamilton | 450 | Community | Groundwater |
| 9 | Half Moon Beach, Inc.. | Hamilton | 400 | Transient non-community | Groundwater |
| 10 | Blue Mt Lake Wd | Hamilton | 400 | Community | Surface water |
| 11 | Forked Lake Spc | Hamilton | 300 | Transient non-community | Groundwater |
| 12 | Eighth Lake Spc | Hamilton | 300 | Transient non-community | Groundwater |
| 13 | Fowler Camp & Conf Center | Hamilton | 250 | Transient non-community | Groundwater |
| 14 | Little Sand Point Spc | Hamilton | 250 | Transient non-community | Groundwater |
| 15 | Point Comfort Spc | Hamilton | 250 | Transient non-community | Groundwater |
| 16 | Lake Durant Spc | Hamilton | 240 | Transient non-community | Groundwater |
| 17 | Golden Beach Spc | Hamilton | 200 | Transient non-community | Groundwater |
| 18 | Arrowhead Park | Hamilton | 142 | Transient non-community | Groundwater |
| 19 | Evergreen Lake, Inc.. | Hamilton | 140 | Transient non-community | Groundwater |
| 20 | The Inn on Piseco Lake | Hamilton | 136 | Transient non-community | Groundwater |
| 21 | Deming Lakeside Trailer Park | Hamilton | 124 | Transient non-community | Groundwater |
| 22 | Snow Lake Water Supply | Hamilton | 120 | Transient non-community | Groundwater |
| 23 | Lake Pleasant Park Inc. | Hamilton | 103 | Transient non-community | Groundwater |
| 24 | Sagamore Lodge | Hamilton | 100 | Transient non-community | Groundwater |
| 25 | Nacodi Campsites | Hamilton | 100 | Transient non-community | Groundwater |
| 26 | Tony Harpers Inlet | Hamilton | 100 | Transient non-community | Groundwater |
| 27 | The Birches | Hamilton | 100 | Transient non-community | Groundwater |
| 28 | Brown Tract Ponds Spc | Hamilton | 100 | Transient non-community | Groundwater |
| 29 | Thornbush Acres Rv Park | Hamilton | 100 | Transient non-community | Groundwater |
| 30 | Burkes | Hamilton | 100 | Transient non-community | Groundwater |
| 31 | Raquette Lake Wd | Hamilton | 90 | Community | Groundwater |
| 32 | Seventh Lake House | Hamilton | 90 | Transient non-community | Groundwater |
| 33 | Rocky Point Homeowners Assn | Hamilton | 80 | Community | Groundwater |
| 34 | Camp Huntington - Cortland | Hamilton | 80 | Transient non-community | Surface water |
| 35 | Alpine, the | Hamilton | 80 | Transient non-community | Groundwater |
| 36 | Lake Eaton Spc | Hamilton | 80 | Transient non-community | Groundwater |
| 37 | Black Bear Lodges | Hamilton | 80 | Transient non-community | Groundwater |
| 38 | Oxbow Inn | Hamilton | 75 | Transient non-community | Groundwater |
| 39 | Lapland Lake | Hamilton | 70 | Transient non-community | Groundwater |
| 40 | Timberlock Camp | Hamilton | 66 | Transient non-community | Groundwater |
| 41 | Marina Motel | Hamilton | 64 | Transient non-community | Groundwater |
| 42 | Deer Meadows | Hamilton | 61 | Transient non-community | Groundwater |
| 43 | Forever Wild Bar & Grill, the | Hamilton | 60 | Transient non-community | Groundwater |
| 44 | Northwoods Lodge | Hamilton | 60 | Transient non-community | Groundwater |
| 45 | Oxbow Lake Motel | Hamilton | 60 | Transient non-community | Groundwater |
| 46 | Screamen Eagle | Hamilton | 60 | Transient non-community | Groundwater |
| 47 | Stiefvaters Lakeside Cottages | Hamilton | 58 | Transient non-community | Groundwater |
| 48 | Risleys Rush Point | Hamilton | 57 | Transient non-community | Groundwater |
| 49 | Camp Driftwood | Hamilton | 54 | Transient non-community | Groundwater |
| 50 | Galushas Cottages | Hamilton | 52 | Transient non-community | Groundwater |
All other water systems in Hamilton County (34)
The remaining active systems filed under Hamilton County, largest first, with the population each reports serving.
- Peters 4th Lake Cottages50
- Flats, the50
- John Dillon Park50
- Nelsons Cottages - Inlet50
- Woods Inn50
- Rainbow Lake Club Development50
- Cliff House Association48
- Claytons Cottages46
- Cortland College - Antlers Center45
- The Willis Lodges40
- Pleasant Manor40
- Dodges Moonlight Bay38
- Tony Harpers Pizza & Clam Shack35
- The Bears Cottages35
- Snowy Mt. Inn30
- Squaw Brook Homeowners Assn30
- Inlet Town Hall30
- Bonnie Brae Lodge27
- Sleepy Hollow27
- Twin Coves on Indian Lake27
- Lorca Adirondacks25
- Whitney Park25
- Kalils Grocery25
- Piseco Community Hall25
- Blue Line Coffee House25
- Piseco Lake Lodge25
- Inlet Golf Course (Sixth and Seventh25
- Adk Heart25
- Inn on Piseco Lake - Deerpath Lodge25
- Cabins at Chimney Mtn.25
- Inlet Gas & Food Mart25
- Archies Alley25
- Marys White Pine Bakery25
- Hamilton County Jail25
Hamilton County water systems: frequently asked questions
How many public water systems are in Hamilton County, New York?
EPA's SDWIS records file 84 active public water systems under Hamilton County, New York: 7 community systems (8.3%), 1 non-transient non-community systems (1.2%) and 76 transient non-community systems (90%).
Who supplies drinking water in Hamilton County, NY?
The largest community water systems filed under Hamilton County are Speculator V (2,008 people served), Indian Lake Wd (900 people served) and Long Lake Wd (800 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 Hamilton County's drinking water come from groundwater or surface water?
Of the 84 active public water systems in Hamilton County, 96% draw mainly on groundwater and 3.6% on surface water, counting purchased supplies. The largest system, Speculator V, uses groundwater.
Where can I find a water quality report for Hamilton 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. 7 community systems are filed under Hamilton 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 Hamilton 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
- All New York public water systems· 8,167 active
- Onondaga County· 89 systems
- Cayuga County· 88 systems
- Franklin County· 88 systems
- Seneca County· 87 systems
- Allegany County· 80 systems
- Chemung County· 77 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Hamilton County, New York”, https://aquacensus.com/water-systems/new-york/hamilton (data as of October 1, 2026).