Erie County, New York — public water systems
At a glance
108 active public water systems are filed under Erie County, New York in EPA's SDWIS records, together reporting 956,649 people served. The largest is Ecwa Direct, which reports serving 313,380 people. 44 are community water systems serving people where they live; the other 64 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
108
Population served
956.6K
Community systems
44
Groundwater share
76.9%
How does Erie County compare with other New York counties?
Erie County has the 29th-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 956,649 people served in total, the 5th-largest county figure in the state and 4.9% of the statewide total. The average system here reports serving 8,858 people, about 3.7 times 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 Erie County's drinking water come from?
By primary water source, Erie County's active systems draw on groundwater (82, 76%), purchased surface water (20, 19%), surface water (5, 4.6%) and groundwater under influence of surface water (1, 0.9%). Overall, 77% rely mainly on groundwater (including purchased groundwater) and 23% 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, Ecwa Direct, draws primarily on surface water.
What kinds of water systems operate in Erie County?
Erie County's active systems break down as 44 community systems (41%), 3 non-transient non-community systems (2.8%) and 61 transient non-community systems (56%). 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 (65%), local government (33%), public/private partnership (0.9%) and state government (0.9%).
The 50 largest water systems in Erie County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Ecwa Direct | Erie | 313,380 | Community | Surface water |
| 2 | Buffalo Water Authority | Erie | 276,000 | Community | Surface water |
| 3 | Ecwa Amherst | Erie | 92,697 | Community | Purchased surface water |
| 4 | Tonawanda, Town Water Dept. | Erie | 72,571 | Community | Surface water |
| 5 | Ecwa Lancaster | Erie | 29,018 | Community | Purchased surface water |
| 6 | Ecwa Orchard Park | Erie | 24,582 | Community | Purchased surface water |
| 7 | Ecwa West Seneca | Erie | 23,557 | Community | Purchased surface water |
| 8 | Grand Island Town Water Dept. | Erie | 19,500 | Community | Surface water |
| 9 | Kenmore Village | Erie | 15,423 | Community | Purchased surface water |
| 10 | Ecwa Evans | Erie | 12,338 | Community | Purchased surface water |
| 11 | Elma Water District No. 1 | Erie | 10,287 | Community | Purchased surface water |
| 12 | Ecwa Hamburg (V) | Erie | 9,744 | Community | Purchased surface water |
| 13 | Ecwa Boston | Erie | 7,250 | Community | Purchased surface water |
| 14 | East Aurora Village | Erie | 6,610 | Community | Purchased surface water |
| 15 | Ecwa Newstead | Erie | 5,801 | Community | Purchased surface water |
| 16 | Springville Village | Erie | 4,266 | Community | Groundwater |
| 17 | Angola Village | Erie | 4,050 | Community | Purchased surface water |
| 18 | Orchard Park Village | Erie | 3,100 | Community | Purchased surface water |
| 19 | Akron Village | Erie | 3,100 | Community | Surface water |
| 20 | Alden Village | Erie | 2,666 | Community | Groundwater |
| 21 | Kissing Bridge Central | Erie | 2,525 | Transient non-community | Groundwater |
| 22 | Kissing Bridge North | Erie | 2,500 | Transient non-community | Groundwater |
| 23 | Holland Water District | Erie | 1,680 | Community | Groundwater |
| 24 | Collins/Gowanda Correctional Facility | Erie | 1,512 | Community | Groundwater |
| 25 | North Collins Village | Erie | 1,496 | Community | Groundwater |
| 26 | Collins Wds #1 and #2 | Erie | 1,400 | Community | Groundwater |
| 27 | Collins Wd #3 | Erie | 760 | Community | Groundwater |
| 28 | Sprague Brook Park | Erie | 500 | Transient non-community | Groundwater |
| 29 | The Annex of Wny LLC | Erie | 500 | Transient non-community | Groundwater |
| 30 | Brant, Town of | Erie | 465 | Community | Purchased surface water |
| 31 | Colden Water District #1 | Erie | 445 | Community | Purchased surface water |
| 32 | Farnham Village | Erie | 404 | Community | Purchased surface water |
| 33 | Craneridge Water Supply | Erie | 360 | Community | Groundwater |
| 34 | Springville Country Club | Erie | 350 | Transient non-community | Groundwater |
| 35 | Camp Seven Hills | Erie | 346 | Transient non-community | Groundwater |
| 36 | Brant Vol. Fire Co. No.1, Inc.. | Erie | 300 | Transient non-community | Groundwater |
| 37 | Gowanda Country Club | Erie | 250 | Transient non-community | Groundwater |
| 38 | Wales Elementary School | Erie | 250 | Non-transient non-community | Groundwater |
| 39 | Colden Lakes, Inc.. | Erie | 210 | Transient non-community | Groundwater |
| 40 | Suburban Adult Services Inc. | Erie | 200 | Non-transient non-community | Groundwater |
| 41 | Chaffee Water Co | Erie | 200 | Community | Groundwater |
| 42 | Mountain Meadows Campground | Erie | 160 | Transient non-community | Groundwater |
| 43 | Evans Water District | Erie | 160 | Community | Purchased surface water |
| 44 | Chaffee Lodge | Erie | 150 | Transient non-community | Groundwater |
| 45 | Hunters Creek Mobile Home Park | Erie | 150 | Community | Groundwater |
| 46 | Nicolos Family Restaurant | Erie | 144 | Transient non-community | Groundwater |
| 47 | Holland Willows Restaurant | Erie | 140 | Transient non-community | Groundwater |
| 48 | Three Valley Natural Campgroun | Erie | 132 | Transient non-community | Groundwater |
| 49 | Springwood Mobile Village | Erie | 120 | Community | Groundwater |
| 50 | Creekside M.H.P. | Erie | 120 | Community | Groundwater |
All other water systems in Erie County (58)
The remaining active systems filed under Erie County, largest first, with the population each reports serving.
- Concord Crest Golf Course100
- Concord Town Park100
- Spring Garden Association100
- Zider Zee100
- 7286 Olean Road Plaza100
- Rolling Hills100
- Goodes Market100
- Big Tree Mobile Home Park99
- Lawtons Water Co95
- Circle Court Mobile Park90
- Springville Mobile Village90
- The Valley80
- Kings Bar78
- Perkins Mobile Home Park75
- Shamrock Hills Golf Club (Fka Holland Hi75
- Hemlock W.W. ( Mountain Meadows Rsd)66
- Diamond Saw65
- 7432 Olean Road ( Little Stampede Child60
- Brant Swim Pool and Community Center50
- Auctions International Inc.50
- Pizza Glen50
- Bens Nichols Brook Motel48
- Eden-Wepax Road48
- Shamrock Inn40
- Wales Center Hotel40
- Chaffee Landfill40
- Villager Apartments40
- Circle B Trailer Court35
- Holland Hills Apartments30
- Guiseppes Restaurant30
- Blue Chimney Plaza (10945 Olean Road)26
- Amvets Boston Post #21926
- Erie County Forestry26
- Kis-N-Greens26
- Crosbys East Aurora - Wales26
- Crosbys-Holland26
- Hen Hawk Acres25
- Brant Town Hall25
- Marienthal Country Inn25
- Wendels Poultry Farm25
- Mystic Hills Brewery25
- Thorpes Organic Family Farm25
- Chiavettas Catering Srvc,, Inc.25
- Cherry Stop Plaza25
- Langford Superette25
- Eden Valley Country Club25
- Miller Greenhouse25
- Last Run Tavern and Grill25
- Best Vision Plaza25
- Chaffee-Sardinia Comm. Pool25
- Sardinia Town Hall25
- Town of Aurora Private Waterlines25
- Eden/North Collins Gun Club25
- Crosbys #6425
- Crosbys Wattsburg25
- Dollar General #1976025
- Tim Hortons25
- Evans Rod and Gun Club25
Erie County water systems: frequently asked questions
How many public water systems are in Erie County, New York?
EPA's SDWIS records file 108 active public water systems under Erie County, New York: 44 community systems (41%), 3 non-transient non-community systems (2.8%) and 61 transient non-community systems (56%).
Who supplies drinking water in Erie County, NY?
The largest community water systems filed under Erie County are Ecwa Direct (313,380 people served), Buffalo Water Authority (276,000 people served) and Ecwa Amherst (92,697 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 108 active public water systems in Erie County, 77% draw mainly on groundwater and 23% on surface water, counting purchased supplies. The largest system, Ecwa Direct, 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. 44 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 New York water systems
- All New York public water systems· 8,167 active
- Herkimer County· 123 systems
- Washington County· 118 systems
- Fulton County· 113 systems
- Tompkins County· 111 systems
- Chenango County· 99 systems
- Madison County· 95 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 Erie County, New York”, https://aquacensus.com/water-systems/new-york/erie (data as of October 1, 2026).