144 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|
| South Dayton Village |
661 |
Groundwater |
14 |
7 |
| Gowanda Village |
2,800 |
Surface Water |
18 |
6 |
| Cattaraugus Village |
1,185 |
Groundwater Under Influence |
15 |
4 |
| Olean Veterans Post 1619 |
25 |
Groundwater Under Influence |
13 |
3 |
| Enchanted Mountain Chocolate |
30 |
Groundwater |
3 |
3 |
| Machias Town Water District |
700 |
Groundwater |
164 |
2 |
| Delevan Village |
1,090 |
Groundwater Under Influence |
13 |
2 |
| Otto Town Water District |
24 |
Groundwater Under Influence |
8 |
2 |
| Portville Estates Mhc I |
28 |
Groundwater |
95 |
1 |
| Portville Estates Mhc Ii |
50 |
Groundwater |
85 |
1 |
| Faulkner Apartments |
27 |
Groundwater |
10 |
1 |
| Camp Vick |
130 |
Groundwater |
8 |
1 |
| Prospect St. Water District |
95 |
Surface Water Purchased |
3 |
1 |
| Randolph Town Water District |
1,738 |
Groundwater |
1 |
1 |
| Twin Lakes Mobile Homes |
550 |
Groundwater |
1 |
1 |
| Ashford West Valley Town Water District |
410 |
Groundwater |
1 |
1 |
| Bonaview Mobile Home Park |
25 |
Groundwater |
223 |
0 |
| Little Valley Village |
1,188 |
Groundwater |
199 |
0 |
| Salamanca City |
5,815 |
Groundwater |
180 |
0 |
| Perrysburg Town Central Water District |
584 |
Groundwater |
171 |
0 |
| Hinsdale Town Water District |
350 |
Groundwater |
143 |
0 |
| Franklinville Village |
1,760 |
Groundwater |
121 |
0 |
| Catt-alleg Boces Center at Olean |
400 |
Groundwater |
119 |
0 |
| Triton Valley Estates - Farmersville |
36 |
Groundwater |
103 |
0 |
| Ashford Office Complex |
100 |
Groundwater |
73 |
0 |
| Great Valley Town W.d. #3 (bonne Val) |
45 |
Groundwater |
57 |
0 |
| Portville Village |
1,040 |
Groundwater |
30 |
0 |
| Ellicottville Central School |
800 |
Groundwater |
20 |
0 |
| Randolph Brewery |
25 |
Groundwater |
15 |
0 |
| Coldspring Volunteer Fire Co. |
25 |
Groundwater |
14 |
0 |
| Lime Lake Snack Bar |
25 |
Groundwater |
12 |
0 |
| Carrollton Limestone Town Water District |
459 |
Groundwater |
11 |
0 |
| Asp - Red House Water Supply |
4,030 |
Groundwater |
10 |
0 |
| Asp - Barton & Weller Trail |
4,025 |
Groundwater |
10 |
0 |
| Allegany Village |
2,000 |
Groundwater |
10 |
0 |
| Portville Drive-in |
200 |
Groundwater |
9 |
0 |
| Sahrs Restaurant |
25 |
Groundwater |
9 |
0 |
| Delevan Twin Drive-in |
25 |
Groundwater |
8 |
0 |
| Hide-a-way Restaurant |
25 |
Groundwater |
8 |
0 |
| Sandusky Water Supply |
336 |
Groundwater |
7 |
0 |
| Yorkshire Apartments |
33 |
Groundwater |
7 |
0 |
| Southern Tier Mennonite School |
25 |
Groundwater |
7 |
0 |
| Allegany-limestone School |
855 |
Groundwater |
6 |
0 |
| Camp Timbercrest |
300 |
Groundwater |
5 |
0 |
| Racers |
50 |
Groundwater |
5 |
0 |
| Tim & Bonnies Pizza |
25 |
Groundwater |
5 |
0 |
| Limestone American Legion Post 1560 |
25 |
Groundwater |
5 |
0 |
| Little Valley Town Water District |
150 |
Groundwater Purchased |
4 |
0 |
| Pleasant View Mobile Home Park |
75 |
Groundwater |
4 |
0 |
| Perkins Llc |
50 |
Groundwater |
4 |
0 |
| Lake House Bar and Grill |
25 |
Groundwater |
4 |
0 |
| The Grove on Rt. 16 |
25 |
Groundwater |
4 |
0 |
| Allegany American Legion Post 892 |
25 |
Groundwater |
4 |
0 |
| Randolph Vfw Post 6533 |
25 |
Groundwater |
4 |
0 |
| Turkey Run Golf Course |
25 |
Groundwater |
4 |
0 |
| Firefly Ridge Campground |
25 |
Groundwater |
4 |
0 |
| Allegany Mountain Resort |
1,950 |
Groundwater |
3 |
0 |
| Allegany Town Consolidated District #1 |
480 |
Groundwater Purchased |
3 |
0 |
| Olean Town Water District |
350 |
Surface Water Purchased |
3 |
0 |
| Allegany Town Comprehensive Wd (2008) |
274 |
Groundwater Purchased |
3 |
0 |
| Pizzaland |
50 |
Groundwater |
3 |
0 |
| Lake Lane Campground |
50 |
Groundwater |
3 |
0 |
| Allegany Town District #8 (st. Bonas) |
1,850 |
Groundwater Purchased |
2 |
0 |
| Ellicottville Town Water District |
1,420 |
Groundwater |
2 |
0 |
| Arrowhead Camping Area |
700 |
Groundwater |
2 |
0 |
| Valley View Estates |
404 |
Groundwater |
2 |
0 |
| Great Valley Town W.d. #2 (sno-pine) |
320 |
Groundwater Purchased |
2 |
0 |
| Colonial Village |
300 |
Groundwater |
2 |
0 |
| Camp Scouthaven |
300 |
Groundwater |
2 |
0 |
| Circle C Ranch |
250 |
Groundwater |
2 |
0 |
| Conewango Town Water District |
217 |
Groundwater Purchased |
2 |
0 |
| Allegany Town District #3 (north Area) |
121 |
Groundwater Purchased |
2 |
0 |
| Great Valley Town W.d. #4 (highland Ave. |
105 |
Groundwater Purchased |
2 |
0 |
| Whispering Pines |
100 |
Groundwater |
2 |
0 |
| Camp Duffield |
100 |
Groundwater |
2 |
0 |
| Franklinville Town Water District #1 |
100 |
Groundwater Purchased |
2 |
0 |
| Elkdale Rv Resort |
42 |
Groundwater |
2 |
0 |
| White Lantern Mobile Court |
37 |
Groundwater |
2 |
0 |
| Clarks Market & Deli |
35 |
Groundwater |
2 |
0 |
| Moon Light Motel |
30 |
Groundwater |
2 |
0 |
| Hinsdale American Legion |
25 |
Groundwater |
2 |
0 |
| Cummins Cider Mill |
25 |
Groundwater |
2 |
0 |
| Ischua Valley Country Club |
25 |
Groundwater |
2 |
0 |
| Little Valley Riders |
25 |
Groundwater |
2 |
0 |
| Crosbys |
25 |
Groundwater |
2 |
0 |
| Kinzoo Hall |
25 |
Groundwater |
2 |
0 |
| Holiday Valley Tubing Center |
25 |
Groundwater |
2 |
0 |
| Ellicottville Distillery |
25 |
Groundwater |
2 |
0 |
| Eden Valley Creamery |
25 |
Groundwater |
2 |
0 |
| Krolicks Chicken Bar B Q |
25 |
Groundwater |
2 |
0 |
| Olean City |
14,500 |
Surface Water |
1 |
0 |
| Yorkshire Town Water District #1 |
900 |
Groundwater |
1 |
0 |
| Great Valley Town W.d. #1 |
230 |
Groundwater Purchased |
1 |
0 |
| Popehaven Campground |
200 |
Groundwater |
1 |
0 |
| Intandem |
175 |
Groundwater |
1 |
0 |
| Versailles Water District |
136 |
Surface Water Purchased |
1 |
0 |
| Elkdale Country Club |
100 |
Groundwater |
1 |
0 |
| Long Acres Mobile Home Park |
86 |
Groundwater |
1 |
0 |
| Yorkshire Town Wd #2 (grove St.) |
70 |
GUP |
1 |
0 |
| Project Head Start - Delevan |
42 |
Groundwater |
1 |
0 |
| Sasi |
40 |
Groundwater |
1 |
0 |
| Portville Town Water District |
39 |
Surface Water Purchased |
1 |
0 |
| Willow Creek |
33 |
Groundwater |
1 |
0 |
| J-allens |
25 |
Groundwater |
1 |
0 |
| Shellys Roadside Bar & Grill |
25 |
Groundwater |
1 |
0 |
| Pumpkinville |
25 |
Groundwater |
1 |
0 |
| Paul Brown Chevrolet |
25 |
Groundwater |
1 |
0 |
| Emerald Acres |
600 |
Groundwater |
0 |
0 |
| Catt-alleg Boces Center at Ellicottville |
500 |
Groundwater |
0 |
0 |
| Asp - Quaker Lake Bathhouse |
500 |
Groundwater |
0 |
0 |
| Onoville Marina Park |
300 |
Groundwater |
0 |
0 |
| Triple R Campground |
270 |
Groundwater |
0 |
0 |
| Green Valley Estates |
250 |
Groundwater |
0 |
0 |
| Lazy Acres Campground |
240 |
Groundwater |
0 |
0 |
| Country Club Homes |
100 |
Groundwater |
0 |
0 |
| Reds and Trudys |
100 |
Groundwater |
0 |
0 |
| Shamrock Pines Campground |
100 |
Groundwater |
0 |
0 |
| Asp - Group Camp 12 |
100 |
Groundwater |
0 |
0 |
| Asp - Cain Hollow |
100 |
Groundwater |
0 |
0 |
| Asp - Summit Trail |
100 |
Groundwater |
0 |
0 |
| Hillview Village |
84 |
Groundwater |
0 |
0 |
| Riverhurst Park |
80 |
Groundwater |
0 |
0 |
| Country Village |
75 |
Groundwater |
0 |
0 |
| Randys Fireside |
75 |
Groundwater |
0 |
0 |
| Keystone Tool and Die |
40 |
Groundwater |
0 |
0 |
| Enchanted Mountains Recovery Campus |
36 |
Groundwater |
0 |
0 |
| The Halfway Inn Bar & Grill |
30 |
Groundwater |
0 |
0 |
| Nys Dot Complex - Salamanca |
30 |
Groundwater |
0 |
0 |
| Horseshoe Inn of Onoville |
30 |
Groundwater |
0 |
0 |
| Moores Maple Shack & Pancake House |
30 |
Groundwater |
0 |
0 |
| Zoar Valley Tavern & Restaurant |
25 |
Groundwater |
0 |
0 |
| Birch Run Golf Club |
25 |
Groundwater |
0 |
0 |
| Randys Up-the-river |
25 |
Groundwater |
0 |
0 |
| Woodside Tavern on the Range |
25 |
Groundwater |
0 |
0 |
| Crosby Dairy Products |
25 |
Groundwater |
0 |
0 |
| Spragues Maple Farm Restaurant |
25 |
Groundwater |
0 |
0 |
| Allegany Town Highway Garage |
25 |
Groundwater |
0 |
0 |
| Allegany River Rest Area |
25 |
Groundwater |
0 |
0 |
| Dollar General #6383 |
25 |
Groundwater |
0 |
0 |
| Finns Roadside |
25 |
Groundwater |
0 |
0 |
| Dollar General - Hinsdale |
25 |
Groundwater |
0 |
0 |
| Dollar General - Machias |
25 |
Groundwater |
0 |
0 |
| Colquhouns Ice Cream |
25 |
Groundwater |
0 |
0 |
| Great Valley Berry Patch |
25 |
Groundwater |
0 |
0 |