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New Jersey Water Quality Report

426 cities tested · Average grade: B- · 74.0M people served

Cities Tested
426
Avg Score
70.6
Population Served
74.0M
Avg Grade
B-
Live Water Alerts for New Jersey →
Latest News

Latest water news in New Jersey

Recent reporting on New Jersey drinking water — boil-water advisories, regulatory action, and infrastructure events.

Jun 27, 2026

Chemours to Pay Over $450 Million in First Federal PFAS Settlement — but North Carolina Wasn't at the Table

EPA and DOJ announced a $450M-plus settlement with Chemours on June 24 over PFAS in three rivers — even as EPA moves to roll back drinking-water limits.

Read full story →
Jun 11, 2026

NYC and Northeast Drought Deepens — Massachusetts Escalates to Level 3 Critical

NYC reservoirs sit near 68% vs 83% normal; Massachusetts escalated its Northeast region to Level 3 Critical Drought as the dry pattern held into June 2026.

Read full story →
Jun 5, 2026

June 2026 Boil-Water Advisories: DC, New Jersey, North Carolina and Michigan

Main breaks and a pump failure put ~10,000 customers under boil-water advisories across DC, NJ, NC and Michigan in early June 2026.

Read full story →
Analysis

New Jersey water quality overview

New Jersey's drinking water quality is fair overall, with an average score of 70.6 out of 100 across 426 cities tested. The median score is 72.6, serving a total population of 74,018,415 residents. The state shows a mixed picture: 52 cities earned an A, while 44 cities received an F. PFAS "forever chemicals" were detected in 336 of 426 cities tested (79%). 286 cities exceed the 2024 EPA maximum contaminant levels. The state relies on a mix of water sources: 164 cities use groundwater while 262 draw from surface water such as rivers, lakes, and reservoirs.

Key Concerns

Issues to watch in New Jersey

336 cities
PFAS Detected
79% of tested cities have PFAS in their water supply.
323 cities
Health Violations
57,062 total violations recorded, 426 with unresolved issues.
44 cities
Failing Systems
Received a grade of F, indicating serious water quality issues.
Contaminant Data

Explore contaminants in New Jersey

Lead in New Jersey → Ranked by 90th percentile level (ppb) PFAS in New Jersey → Ranked by compounds detected Copper in New Jersey → Ranked by 90th percentile level (mg/L)

More contaminants tested in New Jersey

HAA5 → Chromium-6 → Arsenic → Nitrate → Strontium → 1,4-Dioxane → Manganese → Vanadium → Chlorate → Molybdenum → Cobalt → Lithium → NDMA → Perchlorate →
State context
115
Superfund sites in New Jersey
EPA National Priorities List
16.1%
of New Jersey residents on fluoridated water
CDC, 2020
3,433,442
lbs released to surface water
Top 10 TRI facilities, 2023
5.2%
of New Jersey domestic wells exceed EPA arsenic limit
USGS, 1,337 samples · 10 µg/L MCL
Domestic well chemistry

Private-well water in New Jersey

Based on USGS Powell Domestic-Well Database — 2,364 private wells sampled across New Jersey. These wells are not regulated by the EPA; if you draw your tap from a private well, the public-system grade above does not apply to you.

0.7 µg/L
Median arsenic in domestic wells
P90 6.5 µg/L · max 112.0 µg/L
28 µg/L
Median manganese in domestic wells
11.1% exceed 300 µg/L aesthetic limit
Industrial pollution

Top industrial water polluters in New Jersey

Industrial polluters nearby

The 10 facilities reporting the most pounds released to surface water in New Jersey, 2023.

Total reported releases to surface water: 3,433,442 lbs

FacilityTop chemicalTo surface water (lbs/yr)
PHILLIPS 66 CO-BAYWAY REFINERY
Petroleum · PHILLIPS 66 CO
LINDEN, NJ07036
Nitrate compounds (water dissociable; reportable only when in aqueous solution)2,602,357
CHEMOURS CHAMBERS WORKS
Chemicals · THE CHEMOURS CO
DEEPWATER, NJ08023
Nitrate compounds (water dissociable; reportable only when in aqueous solution)403,473
PAULSBORO REFINING CO LLC
Petroleum · PBF ENERGY INC
PAULSBORO, NJ08066
Nitrate compounds (water dissociable; reportable only when in aqueous solution)357,422
AVANTOR PERFORMANCE MATERIALS
Chemicals · AVANTOR PERFORMANCE MATERIALS INC
PHILLIPSBURG, NJ08865
Nitrate compounds (water dissociable; reportable only when in aqueous solution)37,665
DSM NUTRITIONAL PRODUCTS LLC
Chemicals · DSM HOLDING CO USA INC
BELVIDERE, NJ07823
Nitrate compounds (water dissociable; reportable only when in aqueous solution)29,347

+ 5 more facilities

Source: EPA Toxic Release Inventory (TRI) 2023

Test your own tap

Get your New Jersey water tested

City-level data shows the source and infrastructure picture — but lead and other home-plumbing issues only show up at your tap. Find a state-certified lab, see what to test for, and what it costs.
Grade Distribution

How New Jersey cities scored

A: 52 B: 229 C: 66 D: 35 F: 44

Best Cities

  1. A+ Ocean City-0508 95
  2. A Elmer Boro-1702 93.7
  3. A Wenonah Boro-0819 93.6

Worst Cities

  1. F Mount Olive Twp.-1427 35.1
  2. F Jefferson Twp.-1414 35.9
  3. F Aberdeen Twp-1330 36.1
City Map

Water quality across New Jersey

Each dot is a city, colored by its water quality grade. Size reflects population served. Click any city to view its full water report.

New Jersey city water quality map
Water quality: A B C D F
1 cities mapped · hover to preview · click to explore
All Cities

426 cities in New Jersey

Full rankings →
# City Grade Score Population Violations
1 Ocean City-0508 A+
95
127K 10
2 Elmer Boro-1702 A
93.7
1K 18
3 Wenonah Boro-0819 A
93.6
2K 15
4 Hightstown Boro-1104 A
93.2
5K 36
5 Atl. Highlands Boro-1304 A
92.3
4K 53
6 Woodbury Heights Boro-0823 A
92.2
3K 45
7 Buena Boro-0104 A
92
5K 4
8 Pine Beach Boro-1522 A
91.7
2K 6
9 Margate City-0116 A
91.5
24K 39
10 Little Egg Harbor-1516 A
91.4
24K 23
11 Longport Boro-0115 A
90.6
11K 14
12 Ocean Gate Boro-1521 A
90.3
3K 55
13 Sea Isle City-0509 A-
89.8
16K 37
14 Lambertville City-1017 A-
89.8
4K 10
15 Seaside Heights Boro-1526 A-
89.7
20K 22
16 Winfield Twp.-2021 A-
89.7
2K 40
17 Mansfield Twp.-0318 A-
89.6
2K 20
18 West Cape May Boro-0512 A-
89.5
4K 27
19 National Park Boro-0812 A-
89.5
3K 21
20 Andover Boro-1901 A-
89.4
606 21
21 Milford Boro-1020 A-
89.3
1K 40
22 Absecon City-0101 A-
89.2
120K 34
23 Linwood City-0114 A-
89.2
120K 34
24 Northfield City-0118 A-
89.2
120K 34
25 Somers Point City-0121 A-
89.2
120K 34
26 Allentown Boro-1302 A-
89.2
2K 13
27 Pine Hill Boro-0428 A-
89
10K 11
28 Rocky Hill Boro-1817 A-
89
687 19
29 Downe Twp.-0604 A-
88.9
771 41
30 Barnegat Light Boro-1501 A-
88.7
4K 24
31 Wrightstown Boro-0340 A-
88.6
800 23
32 Upper Twp.-0511 A-
88.4
1K 50
33 Pemberton Boro-0328 A-
88
2K 71
34 Montague Twp.-1914 A-
87.9
2K 124
35 Ship Bottom Boro-1528 A-
87.7
15K 22
36 Egg Harbor City-0107 A-
87.7
4K 20
37 Hoboken City-0905 A-
87.5
52K 44
38 Harrison Twp.-0808 A-
87.2
9K 74
39 East Windsor Twp.-1101 A-
87
25K 41
40 Riverdale Boro-1433 A-
86.8
3K 53
41 Franklin Lakes Boro-0220 A-
86.5
5K 10
42 Brielle Boro-1308 A-
86.4
5K 14
43 Evesham Twp.-0313 A-
86.2
46K 109
44 Spring Lake Boro-1348 A-
86
11K 12
45 Blairstown Twp.-2104 A-
85.8
800 28
46 Roosevelt Boro-1341 A-
85.7
880 30
47 Clayton Boro-0801 A-
85.6
8K 88
48 Seaside Park Boro-1527 A-
85.4
15K 181
49 Gloucester City-0414 A-
85.4
12K 91
50 Beach Haven Boro-1503 A-
85.3
20K 10
51 Roseland Boro-0718 A-
85
5K 29
52 South Belmar Boro-1347 A-
85
3K 30
53 Wayne Twp.-1614 B+
84.8
55K 22
54 Farmingdale Boro-1314 B+
84.8
2K 8
55 Ocean Twp.-1520 B+
84.7
15K 45
56 Washington Boro-2121 B+
84.7
11K 26
57 Union Twp.-1025 B+
84.6
940 46
58 Highland Park Boro-1207 B+
84.5
14K 9
59 Randolph Twp.-1432 B+
84.3
15K 86
60 Maurice River Twp.-0609 B+
84.2
2K 94
61 Sea Girt Boro-1344 B+
84.1
3K 19
62 Hampton Boro-1013 B+
84.1
1K 34
63 Bedminster Twp.-1801 B+
83.8
217K 22
64 Berkeley Heights Twp.-2001 B+
83.8
217K 22
65 Bernards Twp.-1802 B+
83.8
217K 22
66 Far Hills Boro-1807 B+
83.8
217K 22
67 Franklin Twp.-2105 B+
83.8
217K 22
68 Maplewood Twp.-0711 B+
83.8
217K 22
69 Mendham Boro-1418 B+
83.8
217K 22
70 Millburn Twp.-0712 B+
83.8
217K 22
71 New Providence Boro-2011 B+
83.8
217K 22
72 Springfield Twp.-2017 B+
83.8
217K 22
73 Summit City-2018 B+
83.8
217K 22
74 Union Twp-.2019 B+
83.8
217K 22
75 Warren Twp.-1820 B+
83.8
217K 22
76 East Greenwich Twp.-0803 B+
83.8
10K 20
77 Englishtown Boro-1312 B+
83.8
3K 50
78 East Newark Boro-0902 B+
83.8
2K 30
79 Cape May Point Boro-0503 B+
83.7
4K 30
80 Brigantine City-0103 B+
83.5
14K 62
81 Logan Twp.-0809 B+
83.3
7K 76
82 Stone Harbor Boro-0510 B+
83.2
31K 75
83 Harrison Town-0904 B+
83.1
14K 30
84 Helmetta Boro-1206 B+
83.1
2K 41
85 Bayonne City-0901 B+
83
63K 36
86 Ventnor City-0122 B+
82.9
22K 72
87 Essex Fells Boro-0706 B+
82.8
2K 61
88 Penns Grove Boro- 1707 B+
82.7
14K 21
89 Chester Twp.-1407 B+
82.6
217K 45
90 Collingswood Boro-0412 B+
82.5
25K 166
91 Pilesgrove Twp.-1709 B+
82.3
4K 131
92 Woodstown Boro-1715 B+
82.3
4K 131
93 Asbury Park City-1303 B+
82.2
378K 41
94 Bay Head Boro-1502 B+
82.2
378K 41
95 Bradley Beach Boro-1307 B+
82.2
378K 41
96 Eatontown Boro-1311 B+
82.2
378K 41
97 Holmdel Twp.-1318 B+
82.2
378K 41
98 Long Branch City-1325 B+
82.2
378K 41
99 Neptune City Boro-1335 B+
82.2
378K 41
100 Neptune Twp.-1334 B+
82.2
378K 41
101 Ocean Twp.-1337 B+
82.2
378K 41
102 Oceanport Boro-1338 B+
82.2
378K 41
103 Rumson Boro-1342 B+
82.2
378K 41
104 Shrewsbury Boro-1345 B+
82.2
378K 41
105 Tinton Falls-1336 B+
82.2
378K 41
106 Union Beach Boro-1350 B+
82.2
378K 41
107 West Long Branch Boro-1353 B+
82.2
378K 41
108 Paulsboro Boro-0814 B+
82.2
6K 83
109 North Arlington Boro-0239 B+
82
15K 42
110 Harvey Cedars Boro-1509 B+
82
6K 34
111 Woolwich Twp.-0824 B+
81.8
7K 48
112 Mount Holly Twp.-0323 B+
81.7
47K 4
113 Kearny Town-0907 B+
81.5
42K 24
114 Phillipsburg Town-2119 B+
81.4
27K 32
115 New Hanover Twp.-0325 B+
81.3
13K 103
116 Frenchtown Boro-1011 B+
81.2
217K 93
117 Manalapan Twp.-1326 B+
81.2
10K 43
118 Spring L Heights Boro-1349 B+
81.2
5K 155
119 Hohokus Boro-0228 B+
81
4K 56
120 Lacey Twp.-1512 B+
80.8
29K 88
121 Berlin Boro-0405 B+
80.8
13K 75
122 Newfield Boro-0813 B+
80.8
2K 39
123 Belvidere Town-2103 B+
80.6
217K 41
124 Allamuchy Twp.-2101 B+
80.4
5K 36
125 Netcong Boro-1428 B+
80.4
3K 97
126 Bernardsville Boro-1803 B+
80.3
217K 45
127 Lakehurst Boro-1513 B+
80.3
3K 45
128 Waterford Twp.-0435 B+
80.2
1K 41
129 Lyndhurst Twp-0232 B+
80
21K 58
130 Pitman Boro-0815 B
79.9
8K 73
131 Jersey City-0906 B
79.7
262K 37
132 Delaware Twp.-1007 B
79.7
500 62
133 Manasquan Boro-1327 B
79.4
14K 24
134 South Orange Village-0719 B
79.1
17K 54
135 Rockaway Boro-1434 B
79
7K 25
136 Avon-By-The-Sea Boro-1305 B
79
5K 32
137 Woodbridge Twp.-1225 B
78.8
233K 63
138 Woodbury City-0822 B
78.8
10K 91
139 Audubon Boro-0401 B
78.7
265K 27
140 Audubon Park Boro-0402 B
78.7
265K 27
141 Barrington Boro-0403 B
78.7
265K 27
142 Beverly City-0302 B
78.7
265K 27
143 Cinnaminson Twp.-0308 B
78.7
265K 27
144 Delanco Twp.-0309 B
78.7
265K 27
145 Delran Twp.-0310 B
78.7
265K 27
146 Edgewater Park Twp.-0312 B
78.7
265K 27
147 Gibbsboro Boro-0413 B
78.7
265K 27
148 Haddon Heights Boro-0418 B
78.7
265K 27
149 Haddonfield Boro-0417 B
78.7
265K 27
150 Hi-Nella Boro-0419 B
78.7
265K 27
151 Laurel Springs Boro-0420 B
78.7
265K 27
152 Lawnside Boro-0421 B
78.7
265K 27
153 Lindenwold Boro-0422 B
78.7
265K 27
154 Magnolia Boro-0423 B
78.7
265K 27
155 Mount Ephraim Boro-0425 B
78.7
265K 27
156 Oaklyn Boro-0426 B
78.7
265K 27
157 Palmyra Boro-0327 B
78.7
265K 27
158 Riverside Twp.-0330 B
78.7
265K 27
159 Riverton Boro-0331 B
78.7
265K 27
160 Runnemede Boro-0430 B
78.7
265K 27
161 Somerdale Boro-0431 B
78.7
265K 27
162 Stratford Boro-0432 B
78.7
265K 27
163 Voorhees Twp.-0434 B
78.7
265K 27
164 Woodland Park Boro-1616 B
78.7
6K 27
165 Fairfield Boro-0707 B
78.6
7K 55
166 Califon Boro-1004 B
78.6
936 16
167 South Brunswick Twp.-1221 B
78.5
45K 78
168 Spotswood Boro-1224 B
78.5
8K 52
169 Glen Ridge Boro-0708 B
78.3
8K 27
170 Rahway City-2013 B
78.2
27K 26
171 Swedesboro Boro-0817 B
78.2
3K 121
172 Montclair Town-0713 B
78
40K 41
173 Avalon Boro-0501 B
78
40K 131
174 Matawan Boro-1329 B
77.8
9K 159
175 Sayreville Boro-1219 B
77.7
45K 82
176 Ogdensburg Boro-1916 B
77.6
3K 221
177 Garfield City-0221 B
77.5
30K 69
178 Tewksbury Twp.-1024 B
77.5
3K 93
179 West Deptford Twp.-0820 B
77.1
22K 76
180 Little Falls Twp.-1605 B
77
310K 50
181 Point P. Beach Boro-1525 B
76.5
12K 22
182 Lavalette Boro-1515 B
76.3
378K 65
183 Stafford Twp.-1530 B
76.2
31K 108
184 Burlington City-0305 B
76
10K 185
185 Toms River-1507 B
75.8
123K 74
186 Willingboro Twp.-0338 B
75.8
35K 50
187 Brooklawn Boro-0407 B
75.8
2K 29
188 Wharton Boro-1439 B
75.7
6K 107
189 Cedar Grove Twp.-0704 B
75.6
13K 63
190 Florence Twp.-0315 B
75.5
11K 37
191 Atlantic City-0102 B
75.4
152K 57
192 Brick Twp.-1506 B
75.3
378K 61
193 Cape May City-0502 B
75.3
35K 36
194 Allendale Boro-0201 B-
75
7K 271
195 Island Heights Boro-1510 B
75
2K 24
196 Bordentown City-0303 B-
74.8
16K 107
197 Bordentown Twp.-0304 B-
74.8
16K 107
198 Caldwell Boro-0703 B-
74.8
9K 37
199 Tuckerton Boro-1532 B-
74.8
6K 109
200 Greenwich Twp.-0807 B-
74.5
5K 228
201 Wildwood City-0514 B-
74.4
218K 59
202 Mount Laurel Twp.-0324 B-
73.9
265K 41
203 Lakewood Twp.-1514 B-
73.9
28K 79
204 Edison Twp.-1205 B-
73.8
35K 25
205 Madison Boro-1417 B-
73.7
16K 101
206 Westville Boro-0821 B-
73.5
6K 43
207 Upper Deerfield Twp.-0613 B-
73.5
3K 89
208 Freehold Boro-1315 B-
73.3
11K 38
209 Carney'S Point Twp.-1713 B-
73.2
14K 110
210 Oldmans Twp.-1706 B-
73.1
14K 41
211 Franklin Boro-1906 B-
73
6K 104
212 Beachwood Boro-1504 B-
72.8
11K 63
213 Hackettstown Town-2108 B-
72.6
22K 100
214 Keyport Boro-1322 B-
72.6
8K 38
215 Burlington Twp.-0306 B-
72.5
23K 40
216 Bellmawr Boro-0404 B-
72.5
10K 38
217 Alpine Boro-0202 B-
72.3
793K 57
218 Bergenfield Boro-0203 B-
72.3
793K 57
219 Bogota Boro-0204 B-
72.3
793K 57
220 Carlstadt Boro-0205 B-
72.3
793K 57
221 Cliffside Park Boro-0206 B-
72.3
793K 57
222 Closter Boro-0207 B-
72.3
793K 57
223 Cresskill Boro-0208 B-
72.3
793K 57
224 Demarest Boro-0209 B-
72.3
793K 57
225 Dumont Boro-0210 B-
72.3
793K 57
226 East Rutherford Boro-0212 B-
72.3
793K 57
227 Edgewater Boro-0213 B-
72.3
793K 57
228 Emerson Boro-0214 B-
72.3
793K 57
229 Englewood City-0215 B-
72.3
793K 57
230 Englewood Cliffs Boro-0216 B-
72.3
793K 57
231 Fairview Boro-0218 B-
72.3
793K 57
232 Fort Lee Boro-0219 B-
72.3
793K 57
233 Guttenberg Town-0903 B-
72.3
793K 57
234 Hackensack City-0223 B-
72.3
793K 57
235 Harrington Park Boro-0224 B-
72.3
793K 57
236 Hasbrouck Heights-0225 B-
72.3
793K 57
237 Haworth Boro-0226 B-
72.3
793K 57
238 Leonia Boro-0229 B-
72.3
793K 57
239 Little Ferry Boro-0230 B-
72.3
793K 57
240 Maywood Boro-0234 B-
72.3
793K 57
241 Moonachie Boro-0237 B-
72.3
793K 57
242 New Milford Boro-0238 B-
72.3
793K 57
243 North Bergen Twp.-0908 B-
72.3
793K 57
244 Northvale Boro-0240 B-
72.3
793K 57
245 Norwood Boro-0241 B-
72.3
793K 57
246 Old Tappan Boro-0243 B-
72.3
793K 57
247 Oradell Boro-0244 B-
72.3
793K 57
248 Palisades Park Boro-0245 B-
72.3
793K 57
249 Paramus Boro-0246 B-
72.3
793K 57
250 Ridgefield Boro-0249 B-
72.3
793K 57
251 Ridgefield Park Twp-0250 B-
72.3
793K 57
252 River Edge Boro-0252 B-
72.3
793K 57
253 River Vale Twp-0253 B-
72.3
793K 57
254 Rochelle Park Twp-0254 B-
72.3
793K 57
255 Rockleigh Boro-0255 B-
72.3
793K 57
256 Rutherford Boro-0256 B-
72.3
793K 57
257 Secaucus Town-0909 B-
72.3
793K 57
258 South Hackensack Twp-.0259 B-
72.3
793K 57
259 Teaneck Twp-.0260 B-
72.3
793K 57
260 Tenafly Boro-0261 B-
72.3
793K 57
261 Teterboro Boro-0262 B-
72.3
793K 57
262 Upper Saddle River-0263 B-
72.3
793K 57
263 Washington Twp.-0266 B-
72.3
793K 57
264 Weehawken Twp.-0911 B-
72.3
793K 57
265 West New York Town-0912 B-
72.3
793K 57
266 Westwood Boro-0267 B-
72.3
793K 57
267 Wood-Ridge Boro-0269 B-
72.3
793K 57
268 North Caldwell Boro-0715 B-
72.3
6K 72
269 Pleasantville City-0119 B-
71.5
120K 82
270 Oakland Boro-0242 B-
71.5
13K 106
271 Newton Town-1915 B-
71.5
8K 178
272 Quinton Twp.-1711 B-
71.4
6K 134
273 Salem City-1712 B-
71.4
6K 134
274 Saddle Brook Twp-0257 B-
71.3
13K 74
275 Deptford Twp.-0802 B-
70.9
31K 185
276 Elmwood Park Boro-0211 B-
70.8
20K 73
277 Gloucester Twp.-0415 B-
70.7
265K 89
278 Totowa Boro-1612 B-
70.5
11K 58
279 Belmar Boro-1306 B-
70.3
20K 43
280 Holland Twp.-1015 B-
70.3
621 17
281 Newark-0714 B-
70.2
294K 122
282 Branchville Boro-1903 C+
69.6
2K 94
283 Merchantville Boro-0424 C+
69.5
47K 125
284 Plumstead Twp.-1523 C+
69.5
3K 170
285 Hampton Twp.-1910 C+
69.3
814 72
286 Clementon Boro-0411 C+
69.1
265K 141
287 Marlboro Twp.-1328 C+
68.3
29K 203
288 Haddon Twp.-0416 C+
68.2
265K 84
289 Park Ridge Boro-0247 C+
67.9
16K 379
290 Orange City-0717 C+
67.7
30K 71
291 Barnegat Twp.-1533 C+
67.6
20K 251
292 Wall Twp.-1352 C+
67.3
26K 70
293 East Hanover Twp.-1410 C+
66.9
11K 125
294 Lodi Boro-0231 C+
66.8
793K 81
295 Hamburg Boro-1909 C+
66.8
3K 266
296 Middletown Twp.-1331 C+
66.6
378K 121
297 Maple Shade Twp.-0319 C+
66.5
19K 116
298 Saddle River Boro-0258 C+
66.4
16K 389
299 Boonton Twp.-1402 C+
66.4
4K 321
300 Mountain Lakes Boro-1425 C+
66.4
4K 321
301 Hammonton Town-0113 C+
66.2
12K 300
302 Berkeley Twp.-1505 C+
66.2
12K 103
303 Hamilton Twp-0112 C+
66.1
22K 172
304 Haledon Boro-1603 C+
66
12K 86
305 Old Bridge Twp.-1209 C+
65.9
68K 183
306 Lower Twp.-0505 C+
65.8
10K 131
307 Mount Arlington Boro-1426 C+
65.8
3K 98
308 Medford Twp.-0320 C+
65.4
17K 304
309 Perth Amboy City--1216 C+
65.3
52K 98
310 West Caldwell Boro-0721 C
64.8
11K 33
311 Hopewell Boro-1105 C
64.7
2K 335
312 Englewood C
64.7
620 87
313 Weymouth Twp-.0123 C
63.3
22K 160
314 Nutley Town-0716 C
63
30K 75
315 Butler Boro-1403 C
63
8K 230
316 Livingston Twp.-0710 C
62.6
27K 163
317 Fair Haven Boro-1313 C
62.4
378K 208
318 Little Silver Boro-1323 C
62.4
378K 208
319 Red Bank Boro-1340 C
62.4
378K 208
320 Glassboro Boro-0806 C
62.2
24K 138
321 Monroe Twp.-0811 C
62.1
26K 441
322 Fieldsboro Boro-0314 C
61.7
650 124
323 Hillside Twp.-2007 C
61.4
294K 144
324 Irvington Town-0709 C
61.4
294K 144
325 Montville Twp.-1421 C
61.3
22K 86
326 Pompton Lakes Boro-1609 C
61
11K 155
327 Woodland Twp.-0339 C
60.9
2K 310
328 Pequannock Twp.-1431 C
60.8
14K 183
329 Woodbine Boro-0516 C
60.2
3K 105
330 Galloway Twp-0111 C-
60
120K 130
331 Mine Hill Twp.-1420 C
60
4K 165
332 Point Pleasant Boro-1524 C-
59.5
20K 155
333 Elizabeth City- 2004 C-
59
615K 479
334 Mahwah Twp-0233 C-
59
27K 173
335 Pennsville Twp.-1708 C-
59
14K 229
336 High Bridge Boro-1014 C-
58.6
3K 76
337 Hanover Twp.-1412 C-
58.5
62K 390
338 Morris Plains Boro-1423 C-
58.5
62K 390
339 Morristown Town-1424 C-
58.5
62K 390
340 Alpha Boro-2102 C-
58.4
3K 341
341 Florham Park Boro-1411 C-
57.6
9K 162
342 Dover Town-1409 C-
57.4
28K 352
343 Cherry Hill Twp.-0409 C-
57.1
265K 152
344 Pennsauken Twp.-0427 C-
57.1
47K 152
345 Mannington Twp.-1705 C-
57.1
6K 265
346 Pennington Boro-1108 C-
57.1
3K 419
347 Stanhope Boro-1919 C-
56.5
4K 173
348 Roxbury Twp.-1436 D+
54.5
12K 343
349 Mendham Twp.-1419 D+
54.4
217K 412
350 Freehold Twp.-1316 D+
54.4
41K 108
351 Franklin Twp.-1808 D+
54.2
57K 170
352 Stockton Boro-1023 D+
54.2
650 75
353 Sussex Boro-1921 D+
53.8
2K 118
354 Hawthorne Boro-1604 D+
53.7
19K 260
355 Glen Gardner Boro-1012 D+
53.6
2K 59
356 Morris Twp.-1422 D+
52.9
62K 401
357 Hopatcong Boro-1912 D+
52.9
7K 225
358 Colts Neck Twp.-1309 D+
52.7
1K 131
359 Stillwater Twp.-1920 D+
52
1K 482
360 Bloomingdale Boro-1601 D+
51.9
8K 258
361 Chatham Boro-1404 D+
50.6
217K 428
362 Wallington Boro-0265 D+
50.6
12K 95
363 Ridgewood Twp-0251 D+
50.5
62K 283
364 New Brunswick City-1214 D+
50.4
55K 243
365 Hillsdale Boro-0227 D
50
793K 436
366 Woodcliff Lake Boro-0268 D
50
793K 436
367 Montvale Boro-0236 D
49.5
793K 438
368 Wanaque Boro-1613 D
49.2
10K 195
369 Surf City Boro-1531 D
49.2
10K 111
370 Green Twp.-1908 D
49.1
599 87
371 North Hanover Twp.-0326 D
49
12K 543
372 Ewing Twp.-1102 D
48.7
217K 138
373 Trenton City-1111 D
48.7
217K 138
374 Clinton Town -1005 D
48.6
13K 438
375 Pemberton Twp.-0329 D
48.5
17K 488
376 Byram Twp.-1904 D
48
1K 995
377 Bridgeton City-0601 D
47.7
23K 480
378 Southampton Twp.-0333 D
47.2
5K 148
379 Chesterfield Twp.-0307 D
46.7
3K 78
380 Pittsgrove Twp.-1710 D
46
2K 348
381 Washington Twp.-0818 F
45
48K 677
382 Middle Twp.-0506 D
45
6K 438
383 Kinnelon Boro-1415 D
45
5K 377
384 Denville Twp.-1408 F
44.8
16K 723
385 Hopewell Twp.1106- F
44.7
217K 356
386 Mantua Twp.-0810 F
44.5
13K 198
387 Flemington Boro-1009 F
44.4
5K 327
388 South River Boro-1223 F
44.2
16K 47
389 Franklin Twp.-0805 F
44.1
2K 295
390 Vernon Twp.-1922 F
44
6K 1528
391 Hardyston Twp.-1911 F
44
2K 786
392 Jackson Twp.-1511 F
43.8
38K 512
393 Harding Twp.-1413 F
43.6
217K 439
394 East Orange City-0705 F
43.6
75K 244
395 Rockaway Twp.-1435 F
43.1
21K 247
396 Long Beach Twp.-1517 F
42.8
25K 573
397 Bloomfield Town-0702 F
42.6
47K 250
398 Ringwood Boro-1611 F
42.4
9K 339
399 Parsippany Troy-Hills-1429 F
42.3
50K 538
400 Belleville Town-0701 F
42
35K 280
401 Fairfield Twp.-0605 F
42
2K 310
402 Monroe Twp.-1213 F
41.8
615K 574
403 Fair Lawn Boro-0217 F
41.8
35K 436
404 Ramsey Boro-0248 F
41.6
15K 397
405 Milltown Boro-1212 F
41.5
7K 68
406 Moorestown Twp.-0322 F
41.1
21K 162
407 Millville City-0610 F
41
28K 339
408 Camden City-0408 F
40.9
47K 252
409 Lincoln Park Boro-1416 F
40.9
11K 222
410 North Brunswick Twp.-1215 F
40.5
44K 124
411 Waldwick Boro-0264 F
40.2
10K 418
412 Oxford Twp.-2117 F
39.9
217K 147
413 Hamilton Twp.-1103 F
39.9
39K 188
414 Vineland City-0614 F
39.8
38K 450
415 Keansburg Boro-1321 F
39.1
10K 186
416 East Brunswick Twp.-1204 F
38.1
48K 99
417 Washington Twp.-1438 F
38
5K 313
418 Verona Boro-0720 F
37.5
14K 103
419 Lawrence Twp.-1107 F
37.1
217K 484
420 Manchester Twp.-1518 F
37.1
41K 215
421 Boonton Town-1401 F
36.9
10K 206
422 Sparta Twp.-1918 F
36.3
20K 473
423 Winslow Twp.-0436 F
36.2
39K 716
424 Aberdeen Twp-1330 F
36.1
378K 333
425 Jefferson Twp.-1414 F
35.9
9K 762
426 Mount Olive Twp.-1427 F
35.1
217K 2195
Counties

Browse New Jersey counties

Atlantic 16 cities · avg 80.5 Bergen 73 cities · avg 69.5 Burlington 54 cities · avg 72.8 Camden 8 cities · avg 74.9 Cape May 12 cities · avg 77.4 Cumberland 7 cities · avg 59.6 Essex 17 cities · avg 65.1 Gloucester 22 cities · avg 75 Hudson 6 cities · avg 83.1 Hunterdon 13 cities · avg 70.3 Mercer 9 cities · avg 57.9 Middlesex 14 cities · avg 64.3 Monmouth 46 cities · avg 76 Morris 26 cities · avg 59.6 Ocean 25 cities · avg 74 Passaic 11 cities · avg 62.7 Prince George 1 city · avg 64.7 Salem 11 cities · avg 72 Somerset 2 cities · avg 71.6 Sussex 17 cities · avg 61.3 Union 30 cities · avg 72.6 Warren 6 cities · avg 77.2
ZIP Codes

Browse New Jersey by ZIP code

Look up water quality by ZIP code to find the systems serving your area.

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FAQ

Frequently asked questions about New Jersey's water

Is New Jersey's tap water safe to drink?

New Jersey's water quality varies by city. The statewide average grade is B- (70.6/100). 66% of cities scored an A or B, while 19% received a D or F. Check your specific city for detailed results.

Which New Jersey cities have the best water quality?

The top-rated cities are Ocean City-0508 (A+), Elmer Boro-1702 (A), Wenonah Boro-0819 (A). These cities scored highest based on violation history, lead levels, PFAS contamination, and regulatory compliance.

Which New Jersey cities have the worst water quality?

The lowest-rated cities are Mount Olive Twp.-1427 (F), Jefferson Twp.-1414 (F), Aberdeen Twp-1330 (F). We recommend residents in these areas consider water filtration and review their city's specific contaminant data.

How many New Jersey cities have PFAS in their water?

336 out of 426 cities tested positive for PFAS "forever chemicals" (79%). 286 cities exceed the 2024 EPA maximum contaminant levels. Reverse osmosis or activated carbon filters can help reduce PFAS exposure.

Water quality resources

Guide
How to Read Your Water Quality Report
Read guide →
Guide
Lead in Drinking Water
Read guide →
Guide
PFAS Forever Chemicals Explained
Read guide →
News
Latest Water Quality News
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