Delaware County, New York — public water systems

136 active public water systems serve Delaware County, reporting 31K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

136

Population served

31K

Community systems

Groundwater share

99.3%

Water systems in Delaware County

Active public water systems in Delaware County, New York
#	Water system	County	Population served	Type	Source
1	Delhi Village	Delaware	3,833	Community	Groundwater
2	Sidney Village	Delaware	3,800	Community	Groundwater
3	Walton Village	Delaware	3,010	Community	Groundwater
4	Stamford Village	Delaware	1,280	Community	Surface water
5	Hancock Village	Delaware	1,182	Community	Groundwater
6	French Woods Arts Camp	Delaware	850	Transient non-community	Groundwater
7	Peaceful Valley Campsites	Delaware	740	Transient non-community	Groundwater
8	Hobart Village	Delaware	700	Community	Groundwater
9	Margaretville Village	Delaware	650	Community	Groundwater
10	Downsville Water District	Delaware	617	Community	Groundwater under influence of surface water
11	Davenport Water District	Delaware	600	Community	Groundwater
12	Roxbury Water District	Delaware	600	Community	Groundwater under influence of surface water
13	Ski Plattekill	Delaware	500	Transient non-community	Groundwater under influence of surface water
14	Franklin Village	Delaware	481	Community	Groundwater
15	Grand Gorge Water District	Delaware	480	Community	Purchased groundwater
16	South Kortright Central School	Delaware	464	Non-transient non-community	Groundwater
17	Arkville Water District	Delaware	400	Community	Groundwater
18	Denver Water District	Delaware	361	Community	Groundwater
19	Fleischmanns Village	Delaware	352	Community	Groundwater
20	Bloomville Water District	Delaware	350	Community	Groundwater
21	Ox Bow Campsites	Delaware	340	Transient non-community	Groundwater
22	Little Pond State Campsite	Delaware	300	Transient non-community	Groundwater
23	Andes Water District	Delaware	260	Community	Groundwater under influence of surface water
24	I-88 Rest Area Wells Bridge (West)	Delaware	255	Transient non-community	Groundwater
25	Suny Delhi Lower Campus	Delaware	250	Non-transient non-community	Groundwater
26	Route 17 Rest Area - East Branch	Delaware	250	Transient non-community	Groundwater
27	I-88 Rest Area Unadilla (Eastbound)	Delaware	245	Transient non-community	Groundwater
28	Camp Chavivin	Delaware	230	Transient non-community	Groundwater
29	Mountainview Mobile Home Park	Delaware	222	Community	Groundwater
30	East Sidney Lake Park	Delaware	205	Transient non-community	Groundwater
31	Delaware County Resource Center	Delaware	202	Non-transient non-community	Groundwater
32	Camp Nubar	Delaware	200	Transient non-community	Groundwater
33	Dcmo Boces	Delaware	200	Non-transient non-community	Groundwater
34	Saputo Dairy Foods USA, LLC	Delaware	200	Non-transient non-community	Groundwater
35	Stratton Falls Campsite	Delaware	184	Transient non-community	Groundwater
36	Hamden Water Dist 1 - Hamden	Delaware	175	Community	Groundwater
37	Walton Country Meadow Park	Delaware	165	Community	Groundwater
38	Treadwell Water District	Delaware	164	Community	Groundwater
39	East Branch Valley Water District	Delaware	160	Community	Groundwater
40	Cooks Falls Water District	Delaware	150	Community	Groundwater
41	Fishs Eddy Community Water Sup	Delaware	150	Community	Groundwater
42	Camp Lman Achai	Delaware	150	Transient non-community	Groundwater
43	Oppenheimers Regis Hotel	Delaware	145	Transient non-community	Groundwater
44	Delhi Rehab	Delaware	144	Community	Groundwater
45	Bovina Center Water Dist. No 1	Delaware	142	Community	Groundwater
46	Russell Brook Campsite	Delaware	140	Transient non-community	Groundwater
47	Hamden Water Dist 2 - Delancey	Delaware	136	Community	Groundwater
48	Frenchwoods Sports and Arts Camp	Delaware	125	Transient non-community	Groundwater
49	Stamford Golf Club	Delaware	125	Transient non-community	Groundwater
50	Hidden Inn	Delaware	125	Transient non-community	Groundwater