Water quality in Armonk, New York
Armonk is in Westchester County. 273 active public water systems serve the county; 93 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Westchester County
91 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| North Castle Water District #5 North Castle (t) |
225 | 0 | 0.7 mi | |
| Saint Nersess Armenian Seminary North Castle (t) |
32 | 0 | 1.5 mi | |
| Old Farm Hill Water District Mount Pleasant (t) |
1,768 | 0 | 2.1 mi | |
| North Castle Water District #2 North Castle (t) |
1,200 | 0 | 2.4 mi | |
| Pocantico Hills Water District Mount Pleasant (t) |
329 | 0 | 3.2 mi | |
| Pleasantville Water District Mount Pleasant (t) |
9,550 | 1 | 3.3 mi | |
| Kensico Water District Mount Pleasant (t) |
17,917 | 0 | 3.8 mi | |
| New Castle/stanwood W.d. New Castle (t) |
17,116 | 0 | 4.4 mi | |
| Mount Kisco Water Department Mount Kisco (v) |
11,187 | 1 | 4.8 mi | |
| 796 Bedford Road Apartments Bedford (t) |
40 | 0 | 4.9 mi | |
| Pace University Mount Pleasant (t) |
2,753 | 1 | 5.1 mi | |
| Bear Ridge Lake Water District Mount Pleasant (t) |
518 | 0 | 5.2 mi | |
| Applehill Farm Water District Mount Pleasant (t) |
209 | 0 | 5.2 mi | |
| Pleasant Ridge Water District Mount Pleasant (t) |
95 | 0 | 5.2 mi | |
| Meadowbrook Water District Mount Pleasant (t) |
91 | 0 | 5.2 mi | |
| Mill River Water District Mount Pleasant (t) |
74 | 0 | 5.2 mi | |
| Pleasantville Road Water District Mount Pleasant (t) |
56 | 0 | 5.2 mi | |
| Pleasantville Extension #1 Mount Pleasant (t) |
49 | 0 | 5.2 mi | |
| North Castle Water District #1 North Castle (t) |
2,500 | 2 | 5.5 mi | |
| Westchester County WD #3 Greenburgh (t) |
6,000 | 1 | 5.8 mi | |
| Bedford Golf and Tennis Club Bedford (t) |
44 | 6 | 5.8 mi | |
| Briarcliff Manor Village Briarcliff Manor (v) |
9,190 | 0 | 6.1 mi | |
| Yeshiva Farm Settlement New Castle (t) |
300 | 2 | 6.1 mi | |
| Ramleh Water Works Corp. Inc. Mount Kisco (v) |
80 | 0 | 6.6 mi | |
| The Farms Water District Bedford (t) |
300 | 0 | 6.6 mi |
Non-community systems in Westchester County (181: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
North Castle Pool &tennis Club North Castle (t) |
400 | 0 | 0 | |
|
Breezemont Day Camp North Castle (t) |
550 | 0 | 0 | |
|
1 Byram Brook Pl. North Castle (t) |
50 | 1 | 0 | |
|
2 Byram Brook Pl. North Castle (t) |
50 | 1 | 0 | |
|
Church of St. Patrick North Castle (t) |
200 | 0 | 0 | |
|
Armonk Fire District #2 North Castle (t) |
60 | 2 | 0 | |
|
Moderne Barn North Castle (t) |
101 | 0 | 0 | |
|
Armonk Alliance Church North Castle (t) |
208 | 0 | 0 | |
|
North Castle Water District #8 North Castle (t) |
101 | 0 | 0 | |
|
28 Kaysal Court Office Bldg. North Castle (t) |
50 | 1 | 0 | |
|
Nicks Corner Market/pirmar Food Corp. North Castle (t) |
25 | 1 | 0 | |
|
Byram Hills High School North Castle (t) |
973 | 0 | 0 | |
|
Congregation Bnai Israel North Castle (t) |
30 | 0 | 0 | |
|
Armonk Tennis Club North Castle (t) |
200 | 0 | 0 | |
|
Swiss RE of America |
800 | 1 | 0 | |
|
Citigroup Exec. Planning Center |
40 | 3 | 0 | |
|
LA Cremaillere North Castle (t) |
100 | 1 | 0 | |
|
Grand Slam Banksville North Castle (t) |
100 | 1 | 0 | |
|
Finch Country Store |
25 | 1 | 0 | |
|
Northern Westchester 103-105 Bedford (t) |
160 | 0 | 0 | |
|
Cranberry Lake North Castle (t) |
250 | 1 | 0 | |
|
Fox Lane High & Middle Schools Mount Kisco (v) |
3,000 | 0 | 0 | |
|
Unitarian Universalist of N. West Bedford (t) |
50 | 1 | 0 | |
|
Chabad of Bedford Bedford (t) |
120 | 1 | 0 | |
|
Chestnut Ridge Racquet Club Bedford (t) |
220 | 1 | 0 | |
|
325 West Patent Road Mount Kisco (v) |
365 | 0 | 0 | |
|
Temple Shaaray Tefila Bedford (t) |
75 | 0 | 0 | |
|
Bedford Rest Area Nys RT 684 Bedford (t) |
1,000 | 2 | 0 | |
|
Edith Macy Camp of Tomorrow Ossining (t) |
100 | 0 | 0 | |
|
Bedford Village Plaza Bedford (t) |
100 | 1 | 0 | |
|
West Patent Elementary School Bedford (t) |
400 | 0 | 0 | |
|
Travelers Restaurant Yorktown (t) |
150 | 1 | 0 | |
|
Rippowam Cisqua School Bedford Bedford (t) |
425 | 1 | 0 | |
|
Bedford Community Church Bedford (t) |
250 | 0 | 0 | |
|
Glen Arbor Golf Club Bedford (t) |
101 | 0 | 0 | |
|
Saint Matthews Episcopal Church Bedford (t) |
100 | 0 | 0 | |
|
Country Childrens Center Yorktown Yorktown (t) |
79 | 1 | 0 | |
|
Bedford Post Restaurant Bedford (t) |
100 | 0 | 0 | |
|
Nadines Restaurant Yorktown (t) |
80 | 1 | 0 | |
|
Church of Jesus Christ Lds Ossining (t) |
300 | 0 | 0 | |
|
Kingdom Hall of Jehovahs Wit Ossining (t) |
125 | 1 | 0 | |
|
Caramoor Center for Music Art Bedford (t) |
50 | 0 | 0 | |
|
Pound Ridge Golf Club Pound Ridge (t) |
101 | 0 | 0 | |
|
Teatown Lake Reservation Cortlandt (t), Yorktown (t) |
100 | 1 | 0 | |
|
John Jay Homestead Bedford (t) |
100 | 0 | 0 | |
|
74 Westchester Pound Ridge (t) |
101 | 0 | 0 | |
|
Pound Ridge Plaza Pound Ridge (t) |
45 | 0 | 0 | |
|
Bonne Building Pound Ridge (t) |
40 | 0 | 0 | |
|
Pound Ridge Town House Pound Ridge (t) |
75 | 0 | 0 | |
|
Community Church at Pound Ridge Pound Ridge (t) |
80 | 0 | 0 |
About this data
Water systems are matched to Westchester County, nearest to Armonk first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files or the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The New York records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.