PlainWater

National ranking · EPA SDWIS

Water Systems With the Most Violations

The 100 U.S. public water systems carrying the most recorded Safe Drinking Water Act violations, ordered by total citations in EPA's compliance database.

100
Systems ranked
11,570
Most at one system
189
Top system serves

The verdict

Seven Estates leads the nation with 11,570 recorded EPA violations - 4% of them health-based; the #100 cutoff to make this top-100 list is City of Wolfforth at 2,333 violations.

11,570
Violations at Seven Estates
2,333
#100 cutoff to make this list
3,037
Median across this top-100 list
TX
State of the #1 system

Top 12 systems by total violations

Longer bars = more recorded Safe Drinking Water Act violations

violations

What this shows Seven Estates sits well above the rest of the list, with 11,570 citations on record in EPA SDWIS.

Source EPA Safe Drinking Water Information System (SDWIS) As of Current EPA release

Full ranking, top 100 systems

The Total column's bar is proportional to Seven Estates's count, the highest in this list. Hover or focus a bar for its exact share of the leader and rank.

# System Location Population Total Health
1 Seven Estates Wolfforth, TX 189 11,570 100.0% of the leader · rank #1 · violations 476
2 Pinnacle Water Association Rock, WV 85 11,356 98.2% of the leader · rank #2 · violations 108
3 Coal Mountain Water Coal Mountain, WV 80 10,707 92.5% of the leader · rank #3 · violations 63
4 Congregation Ohr Menachem Canadensis, PA 30 9,908 85.6% of the leader · rank #4 · violations 45
5 Lake Forest Park Water District Lake Forest Park, WA 3,171 9,527 82.3% of the leader · rank #5 · violations 15
6 Timber Creek MHP East & West McLoud, OK 40 9,081 78.5% of the leader · rank #6 · violations 2
7 Eastside MHP Tuttle, OK 32 7,572 65.4% of the leader · rank #7 · violations 32
8 Skyview Estates Momence, IL 56 7,512 64.9% of the leader · rank #8 · violations 33
9 Circle H MHP Aberdeen, NC 68 6,905 59.7% of the leader · rank #9 · violations 172
10 Salem Heights Estate Lake Ariel, PA 62 6,572 56.8% of the leader · rank #10 · violations 120
11 Franklin Water Systems 3 Des Peres, TX 201 6,516 56.3% of the leader · rank #11 · violations 823
12 Hiawatha Water Matoaka, WV 63 5,589 48.3% of the leader · rank #12 · violations 55
13 PA American Audubon Norristown, PA 8,200 5,456 47.2% of the leader · rank #13 · violations 23
14 Satsop Business Park Aberdeen, WA 544 5,255 45.4% of the leader · rank #14 · violations 3
15 27 Maple Drive Monroe, CT 38 5,163 44.6% of the leader · rank #15 · violations 0
16 Windmill Estates Momence, IL 65 5,042 43.6% of the leader · rank #16 · violations 4
17 Valley Estates Shallowater, TX 68 4,987 43.1% of the leader · rank #17 · violations 752
18 Willow Springs MHP Greenfield, IN 25 4,792 41.4% of the leader · rank #18 · violations 65
19 Aqua PA Sun Valley Whitehaven, PA 120 4,752 41.1% of the leader · rank #19 · violations 0
20 Carmel Montessori Academy Warrenville, IL 40 4,386 37.9% of the leader · rank #20 · violations 5
21 Marble Water System Northport, WA 94 4,269 36.9% of the leader · rank #21 · violations 1
22 Prague Prague, OK 2,395 4,153 35.9% of the leader · rank #22 · violations 15
23 Kelley Crest Woodland, WA 45 4,066 35.1% of the leader · rank #23 · violations 8
24 Oak Hill Acres Mobile Home Subdivision Houston, TX 81 3,979 34.4% of the leader · rank #24 · violations 2
25 Frankfort Psd Fort Ashby, WV 6,747 3,932 34.0% of the leader · rank #25 · violations 13
26 Dabob Cove Community Quilcene, WA 24 3,893 33.6% of the leader · rank #26 · violations 5
27 Seneca Trail Christian Academy Ronceverte, WV 100 3,797 32.8% of the leader · rank #27 · violations 12
28 Criswell Court MHP Joliet, IL 94 3,770 32.6% of the leader · rank #28 · violations 56
29 Imagination Station Academy, LLC Wake Forest, NC 35 3,749 32.4% of the leader · rank #29 · violations 23
30 Country View MHP Shallowater, TX 54 3,651 31.6% of the leader · rank #30 · violations 396
31 City of Brady Water System Brady, TX 5,371 3,578 30.9% of the leader · rank #31 · violations 3,349
32 Cobbs Lake Preserve Lake Ariel, PA 200 3,507 30.3% of the leader · rank #32 · violations 93
33 West Jackson Co Utility Dist Ocean Springs, MS 28,544 3,503 30.3% of the leader · rank #33 · violations 4
34 Robinwood Village Saylorsburg, PA 70 3,499 30.2% of the leader · rank #34 · violations 84
35 Vista del Rio Mobile Home Park Vancouver, WA 352 3,450 29.8% of the leader · rank #35 · violations 4
36 Akhiok Akhiok, AK 90 3,426 29.6% of the leader · rank #36 · violations 29
37 Paradise Stream Resor Mount Pocono, PA 774 3,309 28.6% of the leader · rank #37 · violations 20
38 Mount Eagle Water Assoc Howard, PA 130 3,283 28.4% of the leader · rank #38 · violations 3
39 Nottingham Manor M H Court Nottingham, PA 473 3,266 28.2% of the leader · rank #39 · violations 8
40 Lewis River Golf Course Kelso, WA 300 3,259 28.2% of the leader · rank #40 · violations 1
41 Congregation Beth Judea Waukegan, IL 25 3,204 27.7% of the leader · rank #41 · violations 2
42 Plymouth Community Church Plymouth, IN 90 3,151 27.2% of the leader · rank #42 · violations 8
43 Blue Ridge Mobile Home Park Hunt, TX 75 3,136 27.1% of the leader · rank #43 · violations 233
44 Diomede Joint Utilities Diomide, AK 83 3,125 27.0% of the leader · rank #44 · violations 259
45 Christ Mission Lutheran Church Manhattan, IL 150 3,123 27.0% of the leader · rank #45 · violations 5
46 Turkey Pen MHP Cary, NC 229 3,092 26.7% of the leader · rank #46 · violations 22
47 Malta City Of Malta, MT 1,800 3,072 26.6% of the leader · rank #47 · violations 0
48 Warren Road Subdivision Water Supply Barker, TX 195 3,063 26.5% of the leader · rank #48 · violations 90
49 Tower Springs LLC Malvern,, PA 25 3,062 26.5% of the leader · rank #49 · violations 0
50 Tempo Lake Water Co Port Orchard, WA 246 3,044 26.3% of the leader · rank #50 · violations 23
51 Neshaminy Manor Center Warrington, PA 2,100 3,037 26.2% of the leader · rank #51 · violations 4
52 Patton Village West Water System Splendora, TX 1,457 3,017 26.1% of the leader · rank #52 · violations 3
53 Lee Limas Mobile Home Park Canutillo, TX 39 3,001 25.9% of the leader · rank #53 · violations 2
54 Sunrise Lakes Sec 12 Moscow, PA 125 2,993 25.9% of the leader · rank #54 · violations 0
55 Walnut Cove, Town Of Walnut Cove, NC 2,210 2,973 25.7% of the leader · rank #55 · violations 33
56 Waukesha Water Utility Waukesha, WI 70,718 2,969 25.7% of the leader · rank #56 · violations 2,447
57 Save a Pet Waukegan, IL 50 2,953 25.5% of the leader · rank #57 · violations 0
58 Newport Boro Water Auth Newport, PA 3,200 2,935 25.4% of the leader · rank #58 · violations 33
59 T L Water Jones Acres Newark, TX 120 2,913 25.2% of the leader · rank #59 · violations 5
60 Ambler Boro Water Dept Ambler, PA 20,000 2,896 25.0% of the leader · rank #60 · violations 14
61 American Precision Elctronics Carol Stream, IL 60 2,881 24.9% of the leader · rank #61 · violations 0
62 Pine Country Living MHP McLoud, OK 100 2,879 24.9% of the leader · rank #62 · violations 22
63 Happy Camper RV Park Pagosa Springs, CO 40 2,875 24.8% of the leader · rank #63 · violations 10
64 Walnut Park Estates Prue, OK 42 2,854 24.7% of the leader · rank #64 · violations 27
65 South Midland County Water System Houston, TX 165 2,848 24.6% of the leader · rank #65 · violations 337
66 Creekside South Estates Metro District Windsor, CO 160 2,820 24.4% of the leader · rank #66 · violations 25
67 Helena RV and Mobile Home Park Hailey, MT 250 2,806 24.3% of the leader · rank #67 · violations 0
68 Estates at Bromley Hudson, CO 150 2,787 24.1% of the leader · rank #68 · violations 0
69 Derby Ing Houston, TX 174 2,768 23.9% of the leader · rank #69 · violations 2
70 Los Botines WSC Laredo, TX 54 2,755 23.8% of the leader · rank #70 · violations 0
71 Rock Creek Edmond, OK 33 2,734 23.6% of the leader · rank #71 · violations 4
72 McConnellsburg Boro Muni Auth Mc Connellsburg, PA 2,000 2,725 23.6% of the leader · rank #72 · violations 0
73 Brooksville Tecumseh, OK 90 2,724 23.5% of the leader · rank #73 · violations 255
74 Pueblo del Sol Water Company Sierra Vista, AZ 12,804 2,721 23.5% of the leader · rank #74 · violations 28
75 Town of Aberdeen Aberdeen, MS 7,783 2,703 23.4% of the leader · rank #75 · violations 2
76 Genesee Twp Water Authority Genesee, PA 450 2,701 23.3% of the leader · rank #76 · violations 29
77 Bullhead City Mohave Bullhead City, AZ 36,330 2,669 23.1% of the leader · rank #77 · violations 9
78 Rha Health Services, LLC Charlotte, NC 363 2,659 23.0% of the leader · rank #78 · violations 0
79 Tel Company 3 Freeland, WA 75 2,633 22.8% of the leader · rank #79 · violations 4
80 Key Road Subdivision Water System Bloomington, TX 54 2,592 22.4% of the leader · rank #80 · violations 6
81 Keesler Air Force Base Biloxi, MS 8,006 2,534 21.9% of the leader · rank #81 · violations 13
82 West Roosevelt Mobile Home Park Lubbock, TX 95 2,524 21.8% of the leader · rank #82 · violations 20
83 Forming America Ltd West Chicago, IL 40 2,507 21.7% of the leader · rank #83 · violations 4
84 Native Village of Sleetmute Anchorage, AK 82 2,494 21.6% of the leader · rank #84 · violations 46
85 Forest River - Rance Aluminum, Div. 46 Mishawaka, IN 40 2,489 21.5% of the leader · rank #85 · violations 11
86 English Acres Leander, TX 90 2,485 21.5% of the leader · rank #86 · violations 9
87 Oilton Oilton, OK 1,435 2,466 21.3% of the leader · rank #87 · violations 4
88 Peoria City Of Peoria, AZ 187,676 2,461 21.3% of the leader · rank #88 · violations 15
89 Taggares Fruit Co Burbank, WA 152 2,455 21.2% of the leader · rank #89 · violations 7
90 Barnsdall Barnsdall, OK 1,243 2,431 21.0% of the leader · rank #90 · violations 1,929
91 Ridgecrest Stroudsburg, PA 55 2,429 21.0% of the leader · rank #91 · violations 8
92 Sellers Estates Mobile Home Comm Pearland, TX 85 2,408 20.8% of the leader · rank #92 · violations 2
93 Loma Linda Water Supply Collinsville, TX 216 2,398 20.7% of the leader · rank #93 · violations 8
94 Country Glen Townhomes Effort, PA 50 2,397 20.7% of the leader · rank #94 · violations 0
95 Mother Teresa Catholic Academy Crete, IL 220 2,381 20.6% of the leader · rank #95 · violations 4
96 Lewis Co Water Dist #2 Onalaska, WA 1,983 2,344 20.3% of the leader · rank #96 · violations 2
97 Alakanuk Water System Alakanuk, AK 570 2,344 20.3% of the leader · rank #97 · violations 130
98 Roulette Twp Water Authority Roulette, PA 1,300 2,343 20.3% of the leader · rank #98 · violations 16
99 Kensington Place S/D Birmingham, NC 61 2,343 20.3% of the leader · rank #99 · violations 27
100 City of Wolfforth Wolfforth, TX 9,600 2,333 20.2% of the leader · rank #100 · violations 1,995

Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).