Madison County, New York — public water systems
At a glance
95 active public water systems are filed under Madison County, New York in EPA's SDWIS records, together reporting 32,359 people served. The largest is Oneida City, which reports serving 11,393 people. 23 are community water systems serving people where they live; the other 72 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
95
Population served
32.4K
Community systems
23
Groundwater share
97.9%
How does Madison County compare with other New York counties?
Madison County has the 31st-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 32,359 people served in total, the 49th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 341 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 Madison County's drinking water come from?
By primary water source, Madison County's active systems draw on groundwater (85, 89%), groundwater under influence of surface water (7, 7.4%), purchased groundwater (1, 1.1%) and purchased surface water (1, 1.1%). Overall, 98% rely mainly on groundwater (including purchased groundwater) and 2.1% 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, Oneida City, draws primarily on surface water.
What kinds of water systems operate in Madison County?
Madison County's active systems break down as 23 community systems (24%), 7 non-transient non-community systems (7.4%) and 65 transient non-community systems (68%). 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 (21%) and state government (3.2%).
The 50 largest water systems in Madison County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Oneida City | Madison | 11,393 | Community | Surface water |
| 2 | Hamilton Village | Madison | 4,107 | Community | Groundwater |
| 3 | Cazenovia Village | Madison | 2,900 | Community | Groundwater |
| 4 | Morrisville State College | Madison | 2,620 | Community | Groundwater |
| 5 | Morrisville Village | Madison | 2,199 | Community | Groundwater |
| 6 | Suburbans Community MHP | Madison | 655 | Community | Groundwater |
| 7 | Stockbridge Water District | Madison | 600 | Community | Purchased surface water |
| 8 | Cazenovia/Nelson Purchase District | Madison | 595 | Community | Purchased groundwater |
| 9 | Lebanon Reservoir Campground | Madison | 576 | Transient non-community | Groundwater |
| 10 | Deruyter Village | Madison | 558 | Community | Groundwater |
| 11 | Earlville Village | Madison | 545 | Community | Groundwater |
| 12 | New Woodstock | Madison | 460 | Community | Groundwater |
| 13 | Morrisville Eaton Central School | Madison | 405 | Non-transient non-community | Groundwater |
| 14 | Madison Village | Madison | 390 | Community | Groundwater |
| 15 | Georgetown | Madison | 300 | Community | Groundwater |
| 16 | Brookfield Central School | Madison | 300 | Non-transient non-community | Groundwater |
| 17 | Erieville | Madison | 150 | Community | Groundwater |
| 18 | Bethany Retreat Main House | Madison | 150 | Transient non-community | Groundwater |
| 19 | Camp Hunt | Madison | 125 | Transient non-community | Groundwater |
| 20 | Route 8 Estates | Madison | 125 | Community | Groundwater |
| 21 | Camp Fiver | Madison | 120 | Transient non-community | Groundwater |
| 22 | Cobblefield Wellington Estates | Madison | 120 | Community | Groundwater |
| 23 | Cedar Valley Campsite | Madison | 120 | Transient non-community | Groundwater |
| 24 | New Life Christian School | Madison | 102 | Non-transient non-community | Groundwater |
| 25 | Chittenango Falls State Park | Madison | 100 | Transient non-community | Groundwater under influence of surface water |
| 26 | Owera Point | Madison | 100 | Community | Groundwater |
| 27 | Valley Mobile Home Park | Madison | 90 | Community | Groundwater |
| 28 | Torpys Pond Outdoor Club | Madison | 80 | Transient non-community | Groundwater |
| 29 | Mount Pleasant | Madison | 75 | Community | Groundwater |
| 30 | Kanon Valley Country Club | Madison | 75 | Transient non-community | Groundwater |
| 31 | Klings Mills | Madison | 75 | Transient non-community | Groundwater |
| 32 | Pelco Component Technologies | Madison | 70 | Non-transient non-community | Groundwater |
| 33 | White Eagle the Grove | Madison | 61 | Transient non-community | Groundwater |
| 34 | Madison Mennonite Church | Madison | 56 | Transient non-community | Groundwater |
| 35 | Madison Marketplace | Madison | 52 | Non-transient non-community | Groundwater under influence of surface water |
| 36 | Chenango Court | Madison | 50 | Community | Groundwater |
| 37 | Glendening Boathouse | Madison | 50 | Transient non-community | Groundwater |
| 38 | Unadilla Forks Baptist Church | Madison | 50 | Transient non-community | Groundwater |
| 39 | Big Als Diner | Madison | 50 | Transient non-community | Groundwater under influence of surface water |
| 40 | Cazenovia Athletic Association | Madison | 50 | Transient non-community | Groundwater |
| 41 | Brookview Campground | Madison | 50 | Transient non-community | Groundwater |
| 42 | White Eagle Mitchell Point | Madison | 50 | Transient non-community | Groundwater |
| 43 | Ray Brothers Barbeque | Madison | 50 | Transient non-community | Groundwater |
| 44 | White Pines Mobile Home Park | Madison | 49 | Community | Groundwater |
| 45 | Heritage Farms | Madison | 48 | Transient non-community | Groundwater |
| 46 | Shiloh Christian Family Campground | Madison | 43 | Transient non-community | Groundwater |
| 47 | Anw Ez Mart | Madison | 40 | Transient non-community | Groundwater |
| 48 | Cazenovia Childrens House | Madison | 40 | Non-transient non-community | Groundwater |
| 49 | Kountry Kupboard Ii | Madison | 40 | Transient non-community | Groundwater |
| 50 | Beaver Den Diner | Madison | 40 | Transient non-community | Groundwater |
All other water systems in Madison County (45)
The remaining active systems filed under Madison County, largest first, with the population each reports serving.
- Madison Motor Court40
- Flicks Tavern35
- Brake From the Grind35
- The Blue Canoe Grill30
- Candy Lane Mobile Home Park30
- Madison County Hwy Garage Southern30
- Valley View Mobile Home Park30
- Brookfield General Store30
- Hamilton Inn30
- Poolville Country Store30
- The Horned Dorset Inn26
- The Shoppes at Johnny Appleseed26
- Peterboro Table26
- Owera Vineyards26
- Cider House Campground26
- Clear Path for Veterans26
- Troyers Country Store26
- Morrisville State College Dairy Barn26
- Deli and Dogs Catering26
- Wolf Oak Acres26
- Rippleton Center26
- Butternut Hill Campground26
- Sugar Shack Cafe and Bakery26
- Mad Taco / Nelson Corners 226
- Dollar General Madison26
- The Boathouse25
- Stewarts Shop25
- Blue25
- Drift in25
- Cazenovia Golf Club25
- Cazenovia Country Club25
- Hotel Solsville25
- Morrisville State College Equine Rehab25
- Chimichanga Firehouse25
- The Whitetail25
- Country Peddler25
- The Roadside Inn25
- The Ridge Golf Course25
- Coonrod25
- Ye Olde Landmark Tavern25
- Ye Olde Pizza Pub25
- Critz Farms25
- White Eagle Appley Center25
- Bucks Inn25
- West Cottage Lane25
Madison County water systems: frequently asked questions
How many public water systems are in Madison County, New York?
EPA's SDWIS records file 95 active public water systems under Madison County, New York: 23 community systems (24%), 7 non-transient non-community systems (7.4%) and 65 transient non-community systems (68%).
Who supplies drinking water in Madison County, NY?
The largest community water systems filed under Madison County are Oneida City (11,393 people served), Hamilton Village (4,107 people served) and Cazenovia Village (2,900 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 Madison County's drinking water come from groundwater or surface water?
Of the 95 active public water systems in Madison County, 98% draw mainly on groundwater and 2.1% on surface water, counting purchased supplies. The largest system, Oneida City, uses surface water.
Where can I find a water quality report for Madison 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. 23 community systems are filed under Madison 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 Madison 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
- Fulton County· 113 systems
- Tompkins County· 111 systems
- Erie County· 108 systems
- Chenango County· 99 systems
- Tioga County· 94 systems
- Wyoming County· 94 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 Madison County, New York”, https://aquacensus.com/water-systems/new-york/madison (data as of October 1, 2026).