Water Quality in New Hampshire
EPA violation data for public water systems across New Hampshire.
276
ZIP Codes
3,324
Total Violations
61 (22%)
ZIPs with 0 Violations
12.0
Avg per ZIP
National avg: 18.87 violations per ZIP.
New Hampshire is 36% below average.
Violation Map
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0
1-5
6-15
16+
EPA violations (5yr)
Most Affected Areas in New Hampshire
All ZIP Codes in New Hampshire (276)
03254 Lakeport
77 03223 Campton
67 03249 Lakeport
61 03087 Windham
60 03264 Plymouth
59 03848 Kingston
57 03262 North Woodstock
55 03304 Concord
52 03838 Glen
52 03054 Manchester
47 03244 Manchester
47 03281 Manchester
47 03833 Exeter
47 03301 Concord
43 03885 Stratham
42 03812 Bartlett
41 03860 North Conway
40 03070 Manchester
39 03110 Manchester
39 03576 Colebrook
38 03579 Errol
38 03825 Dover
37 03276 Concord
35 03234 Concord
34 03464 Keene
34 03809 Lakeport
34 03452 Keene
33 03810 Lakeport
33 03865 Plaistow
33 03049 Manchester
32 03261 Concord
32 03269 Lakeport
31 03580 Franconia
31 03861 Dover
31 03884 Dover
30 03768 Lyme
28 03302 Concord
27 03748 Enfield
27 03076 Manchester
26 03220 Concord
26 03253 Lakeport
26 03053 Londonderry
25 03461 Keene
25 03855 Dover
25 03109 Manchester
24 03867 Dover
24 03873 Sandown
24 -3590 Stratford
23 03033 Manchester
23 03037 Deerfield
23 03104 Manchester
23 03592 Pittsburg
23 03242 Concord
22 03741 Canaan
22 03818 Conway
22 03890 West Ossipee
22 03038 Derry
21 03836 Freedom
21 03886 Tamworth
21 03766 Lebanon
20 03811 Atkinson
20 03079 Salem
19 03307 Concord
19 03446 Keene
19 03585 Lisbon
19 03843 Hampton
19 03858 Newton
19 03077 Raymond
18 03084 Manchester
18 03583 Jefferson
18 03801 Portsmouth
18 03814 Center Ossipee
18 03864 Ossipee
18 03266 Rumney
17 03275 Concord
17 03561 Littleton
17 03868 Dover
17 03894 Wolfeboro
17 03216 Concord
16 03820 Dover
16 03823 Dover
16 03458 Manchester
15 03882 Effingham
15 03048 Manchester
14 03217 Ashland
14 03263 Concord
14 03581 Gorham
14 03106 Concord
13 03229 Concord
13 03245 Holderness
13 03303 Concord
13 03586 Sugar Hill
13 03042 Dover
12 03062 Manchester
12 03431 Keene
12 03770 Meriden
12 03821 Dover
12 03845 Intervale
12 03878 Dover
12 03034 Candia
11 03221 Concord
11 03224 Concord
11 03225 Lakeport
11 03257 Concord
11 03470 Keene
11 03755 Hanover
11 03824 Dover
11 03849 Madison
11 03051 Manchester
10 03222 Bristol
10 03246 Lakeport
10 03753 Grantham
10 03846 Jackson
10 03045 Manchester
9 03047 Manchester
9 03071 Manchester
9 03227 Sandwich
9 03252 Lochmere
9 03278 Concord
9 03290 Nottingham
9 03743 Claremont
9 03061 Nashua
8 03226 Lakeport
8 03255 Concord
8 03293 Woodstock
8 03826 East Hampstead
8 03830 East Wakefield
8 03032 Auburn
7 03044 Fremont
7 03064 Manchester
7 03086 Manchester
7 03102 Manchester
7 03235 Concord
7 03238 Glencliff
7 03279 Warren
7 03285 Thornton
7 03869 Dover
7 03872 Sanbornville
7 03031 Manchester
6 03258 Concord
6 03289 Winnisquam
6 03444 Keene
6 03593 Randolph
6 03595 Twin Mountain
6 03777 Orford
6 03816 Center Tuftonboro
6 03835 Dover
6 03840 Greenland
6 03844 Hampton Falls
6 03874 Seabrook
6 03036 Chester
5 03082 Manchester
5 03251 Lincoln
5 03287 Concord
5 03442 Manchester
5 03574 Bethlehem
5 03588 Milan
5 03751 Georges Mills
5 03774 North Haverhill
5 03780 Pike
5 03781 Plainfield
5 03782 Sunapee
5 03819 Danville
5 03896 Wolfeboro Falls
5 03052 Manchester
4 03083 Wilton
4 03103 Manchester
4 03450 Keene
4 03598 Whitefield
4 03603 Charlestown
4 03752 Goshen
4 03765 Haverhill
4 03773 Newport
4 03813 Center Conway
4 03055 Manchester
3 03215 Waterville Valley
3 03230 Concord
3 03268 Concord
3 03282 Wentworth
3 03454 Jaffrey
3 03817 Chocorua
3 03837 Lakeport
3 03850 Melvin Village
3 03851 Dover
3 03883 S Tamworth
3 93886 Tamworth
3 03046 Concord
2 03060 Manchester
2 03073 North Salem
2 03075 Pelham
2 03237 Lakeport
2 03241 Hebron
2 03247 Gilford
2 03260 Concord
2 03280 Keene
2 03443 Keene
2 03462 Keene
2 03469 West Swanzey
2 03590 Stratford
2 03745 Cornish
2 03750 Etna
2 03827 East Kingston
2 03839 Dover
2 03842 Hampton
2 03852 Dover
2 03887 Dover
2 03457 Keene
1 03570 Berlin
1 03575 Bretton Woods
1 03597 West Stewartstown
1 03720 Dover
1 03740 Bath
1 03779 Piermont
1 03785 Woodsville
1 03870 Rye
1