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New Jersey Water Quality Report

435 cities tested · Average grade: B- · 82.3M people served

Cities Tested
435
Avg Score
70.4
Population Served
82.3M
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.

May 16, 2026

EPA Redirects $4.1 Billion to States for Lead Pipe Removal — and Cuts the National Estimate in Half

EPA reallocates $4.1B for lead service line removal as updated state inventories drop the national estimate from 9.2M to 4M pipes.

Read full story →
May 16, 2026

NYC and Northeast Slide Deeper Into Drought — Reservoirs at 68%, Massachusetts Hits Level 2

NYC reservoirs sit at 67.8% versus 83% normal as Massachusetts declares Level 2 drought across four regions after the driest April since 2010.

Read full story →
Analysis

New Jersey water quality overview

New Jersey's drinking water quality is fair overall, with an average score of 70.4 out of 100 across 435 cities tested. The median score is 72.3, serving a total population of 82,341,700 residents. The state shows a mixed picture: 53 cities earned an A, while 47 cities received an F. PFAS "forever chemicals" were detected in 339 of 435 cities tested (78%). 289 cities exceed the 2024 EPA maximum contaminant levels. The state relies on a mix of water sources: 166 cities use groundwater while 269 draw from surface water such as rivers, lakes, and reservoirs.

Key Concerns

Issues to watch in New Jersey

339 cities
PFAS Detected
78% of tested cities have PFAS in their water supply.
331 cities
Health Violations
60,371 total violations recorded, 435 with unresolved issues.
47 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: 53 B: 231 C: 69 D: 35 F: 47

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 Summit City-2018 35.1
  2. F Jefferson Twp.-1414 35.9
  3. F Absecon City-0101 36
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

435 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 Absecon City-0101 A-
89.2
120K 34
24 Absecon City-0101 A-
89.2
120K 34
25 Absecon City-0101 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 Galloway Twp-0111 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 West Monroe (T) A-
85.8
622 98
47 Roosevelt Boro-1341 A-
85.7
880 30
48 Clayton Boro-0801 A-
85.6
8K 88
49 Seaside Park Boro-1527 A-
85.4
15K 181
50 Gloucester City-0414 A-
85.4
12K 91
51 Beach Haven Boro-1503 A-
85.3
20K 10
52 Roseland Boro-0718 A-
85
5K 29
53 South Belmar Boro-1347 A-
85
3K 30
54 Wayne Twp.-1614 B+
84.8
55K 22
55 Farmingdale Boro-1314 B+
84.8
2K 8
56 Barnegat Twp.-1533 B+
84.7
15K 45
57 Washington Boro-2121 B+
84.7
11K 26
58 Union Twp.-1025 B+
84.6
1K 46
59 Highland Park Boro-1207 B+
84.5
14K 9
60 Randolph Twp.-1432 B+
84.3
15K 86
61 Maurice River Twp.-0609 B+
84.2
2K 94
62 Sea Girt Boro-1344 B+
84.1
3K 19
63 Hampton Boro-1013 B+
84.1
1K 34
64 Summit City-2018 B+
83.8
217K 22
65 Summit City-2018 B+
83.8
217K 22
66 Summit City-2018 B+
83.8
217K 22
67 Summit City-2018 B+
83.8
217K 22
68 Summit City-2018 B+
83.8
217K 22
69 Summit City-2018 B+
83.8
217K 22
70 Summit City-2018 B+
83.8
217K 22
71 Summit City-2018 B+
83.8
217K 22
72 Summit City-2018 B+
83.8
217K 22
73 Summit City-2018 B+
83.8
217K 22
74 Summit City-2018 B+
83.8
217K 22
75 Summit City-2018 B+
83.8
217K 22
76 Summit City-2018 B+
83.8
217K 22
77 East Greenwich Twp.-0803 B+
83.8
10K 20
78 Englishtown Boro-1312 B+
83.8
3K 50
79 East Newark Boro-0902 B+
83.8
2K 30
80 Cape May Point Boro-0503 B+
83.7
4K 30
81 Brigantine City-0103 B+
83.5
14K 62
82 Woolwich Twp.-0824 B+
83.3
8K 76
83 Stone Harbor Boro-0510 B+
83.2
31K 75
84 Harrison Town-0904 B+
83.1
14K 30
85 Helmetta Boro-1206 B+
83.1
2K 41
86 Bayonne City-0901 B+
83
63K 36
87 Ventnor City-0122 B+
82.9
22K 72
88 Essex Fells Boro-0706 B+
82.8
2K 61
89 Oldmans Twp.-1706 B+
82.7
14K 21
90 Summit City-2018 B+
82.6
218K 45
91 Collingswood Boro-0412 B+
82.5
25K 166
92 Woodstown Boro-1715 B+
82.3
4K 131
93 Woodstown Boro-1715 B+
82.3
4K 131
94 Freehold Twp.-1316 B+
82.2
378K 41
95 Freehold Twp.-1316 B+
82.2
378K 41
96 Freehold Twp.-1316 B+
82.2
378K 41
97 Freehold Twp.-1316 B+
82.2
378K 41
98 Freehold Twp.-1316 B+
82.2
378K 41
99 Freehold Twp.-1316 B+
82.2
378K 41
100 Freehold Twp.-1316 B+
82.2
378K 41
101 Freehold Twp.-1316 B+
82.2
378K 41
102 Freehold Twp.-1316 B+
82.2
378K 41
103 Freehold Twp.-1316 B+
82.2
378K 41
104 Freehold Twp.-1316 B+
82.2
378K 41
105 Freehold Twp.-1316 B+
82.2
378K 41
106 Freehold Twp.-1316 B+
82.2
378K 41
107 Freehold Twp.-1316 B+
82.2
378K 41
108 Freehold Twp.-1316 B+
82.2
378K 41
109 Paulsboro Boro-0814 B+
82.2
6K 83
110 North Arlington Boro-0239 B+
82
15K 42
111 Harvey Cedars Boro-1509 B+
82
6K 34
112 Woolwich Twp.-0824 B+
81.8
13K 48
113 Mount Holly Twp.-0323 B+
81.7
47K 4
114 Kearny Town-0907 B+
81.5
42K 24
115 Phillipsburg Town-2119 B+
81.4
27K 32
116 New Hanover Twp.-0325 B+
81.3
13K 103
117 Summit City-2018 B+
81.2
219K 93
118 Manalapan Twp.-1326 B+
81.2
56K 43
119 Spring L Heights Boro-1349 B+
81.2
5K 155
120 Hohokus Boro-0228 B+
81
4K 56
121 Lacey Twp.-1512 B+
80.8
29K 88
122 Berlin Boro-0405 B+
80.8
13K 75
123 Franklin Twp.-0805 B+
80.8
2K 39
124 Summit City-2018 B+
80.6
220K 41
125 Allamuchy Twp.-2101 B+
80.4
5K 36
126 Netcong Boro-1428 B+
80.4
3K 97
127 Summit City-2018 B+
80.3
217K 45
128 Lakehurst Boro-1513 B+
80.3
6K 45
129 Waterford Twp.-0435 B+
80.2
1K 41
130 Lyndhurst Twp-0232 B+
80
21K 58
131 Pitman Boro-0815 B
79.9
8K 73
132 Jersey City-0906 B
79.7
262K 37
133 Delaware Twp.-1007 B
79.7
756 62
134 Wall Twp.-1352 B
79.4
14K 24
135 Summit City-2018 B
79.1
234K 54
136 Rockaway Boro-1434 B
79
7K 25
137 Avon-By-The-Sea Boro-1305 B
79
5K 32
138 Woodbridge Twp.-1225 B
78.8
233K 63
139 Woodbury City-0822 B
78.8
10K 91
140 Burlington Twp.-0306 B
78.7
265K 27
141 Burlington Twp.-0306 B
78.7
265K 27
142 Burlington Twp.-0306 B
78.7
265K 27
143 Burlington Twp.-0306 B
78.7
265K 27
144 Burlington Twp.-0306 B
78.7
265K 27
145 Burlington Twp.-0306 B
78.7
265K 27
146 Burlington Twp.-0306 B
78.7
265K 27
147 Burlington Twp.-0306 B
78.7
265K 27
148 Burlington Twp.-0306 B
78.7
265K 27
149 Burlington Twp.-0306 B
78.7
265K 27
150 Burlington Twp.-0306 B
78.7
265K 27
151 Burlington Twp.-0306 B
78.7
265K 27
152 Burlington Twp.-0306 B
78.7
265K 27
153 Burlington Twp.-0306 B
78.7
265K 27
154 Burlington Twp.-0306 B
78.7
265K 27
155 Burlington Twp.-0306 B
78.7
265K 27
156 Burlington Twp.-0306 B
78.7
265K 27
157 Burlington Twp.-0306 B
78.7
265K 27
158 Burlington Twp.-0306 B
78.7
265K 27
159 Burlington Twp.-0306 B
78.7
265K 27
160 Burlington Twp.-0306 B
78.7
265K 27
161 Burlington Twp.-0306 B
78.7
265K 27
162 Burlington Twp.-0306 B
78.7
265K 27
163 Burlington Twp.-0306 B
78.7
265K 27
164 Burlington Twp.-0306 B
78.7
265K 27
165 Woodland Park Boro-1616 B
78.7
6K 27
166 Fairfield Boro-0707 B
78.6
7K 55
167 Califon Boro-1004 B
78.6
936 16
168 Franklin Twp.-1808 B
78.5
45K 78
169 Spotswood Boro-1224 B
78.5
8K 52
170 Glen Ridge Boro-0708 B
78.3
8K 27
171 Rahway City-2013 B
78.2
27K 26
172 Swedesboro Boro-0817 B
78.2
3K 121
173 Avalon Boro-0501 B
78
71K 131
174 Montclair Town-0713 B
78
40K 41
175 Old Bridge Twp.-1209 B
77.8
9K 159
176 Sayreville Boro-1219 B
77.7
45K 82
177 Ogdensburg Boro-1916 B
77.6
3K 221
178 Garfield City-0221 B
77.5
30K 69
179 Washington Twp.-1438 B
77.5
4K 93
180 West Deptford Twp.-0820 B
77.1
22K 76
181 Little Falls Twp.-1605 B
77
539K 50
182 Point P. Beach Boro-1525 B
76.5
12K 22
183 Freehold Twp.-1316 B
76.3
403K 65
184 Stafford Twp.-1530 B
76.2
31K 108
185 Thonotosassa B
76.2
778 258
186 Burlington City-0305 B
76
10K 185
187 Willingboro Twp.-0338 B
75.8
35K 50
188 Brooklawn Boro-0407 B
75.8
2K 29
189 Wharton Boro-1439 B
75.7
6K 107
190 Cedar Grove Twp.-0704 B
75.6
13K 63
191 Florence Twp.-0315 B
75.5
11K 37
192 Atlantic City-0102 B
75.4
152K 57
193 Freehold Twp.-1316 B
75.3
465K 61
194 Cape May City-0502 B
75.3
35K 36
195 Allendale Boro-0201 B-
75
7K 271
196 Island Heights Boro-1510 B
75
2K 24
197 Freehold Twp.-1316 B-
74.8
501K 74
198 Bordentown Twp.-0304 B-
74.8
16K 107
199 Bordentown Twp.-0304 B-
74.8
16K 107
200 Caldwell Boro-0703 B-
74.8
9K 37
201 Tuckerton Boro-1532 B-
74.8
6K 109
202 Greenwich Twp.-0807 B-
74.5
5K 228
203 Wildwood City-0514 B-
74.4
218K 59
204 Freehold Twp.-1316 B-
73.9
405K 79
205 Burlington Twp.-0306 B-
73.9
306K 41
206 Edison Twp.-1205 B-
73.8
35K 25
207 Madison Boro-1417 B-
73.7
16K 101
208 Westville Boro-0821 B-
73.5
6K 43
209 Upper Deerfield Twp.-0613 B-
73.5
3K 89
210 Freehold Boro-1315 B-
73.3
11K 38
211 Oldmans Twp.-1706 B-
73.2
14K 110
212 Oldmans Twp.-1706 B-
73.1
15K 41
213 Franklin Boro-1906 B-
73
6K 104
214 Beachwood Boro-1504 B-
72.8
11K 63
215 Hackettstown Town-2108 B-
72.6
22K 100
216 Keyport Boro-1322 B-
72.6
8K 38
217 Burlington Twp.-0306 B-
72.5
287K 40
218 Guttenberg Town-0903 B-
72.3
793K 57
219 Guttenberg Town-0903 B-
72.3
793K 57
220 Guttenberg Town-0903 B-
72.3
793K 57
221 Guttenberg Town-0903 B-
72.3
793K 57
222 Guttenberg Town-0903 B-
72.3
793K 57
223 Guttenberg Town-0903 B-
72.3
793K 57
224 Guttenberg Town-0903 B-
72.3
793K 57
225 Guttenberg Town-0903 B-
72.3
793K 57
226 Guttenberg Town-0903 B-
72.3
793K 57
227 Guttenberg Town-0903 B-
72.3
793K 57
228 Guttenberg Town-0903 B-
72.3
793K 57
229 Guttenberg Town-0903 B-
72.3
793K 57
230 Guttenberg Town-0903 B-
72.3
793K 57
231 Guttenberg Town-0903 B-
72.3
793K 57
232 Guttenberg Town-0903 B-
72.3
793K 57
233 Guttenberg Town-0903 B-
72.3
793K 57
234 Guttenberg Town-0903 B-
72.3
793K 57
235 Guttenberg Town-0903 B-
72.3
793K 57
236 Guttenberg Town-0903 B-
72.3
793K 57
237 Guttenberg Town-0903 B-
72.3
793K 57
238 Guttenberg Town-0903 B-
72.3
793K 57
239 Guttenberg Town-0903 B-
72.3
793K 57
240 Guttenberg Town-0903 B-
72.3
793K 57
241 Guttenberg Town-0903 B-
72.3
793K 57
242 Guttenberg Town-0903 B-
72.3
793K 57
243 Guttenberg Town-0903 B-
72.3
793K 57
244 Guttenberg Town-0903 B-
72.3
793K 57
245 Guttenberg Town-0903 B-
72.3
793K 57
246 Guttenberg Town-0903 B-
72.3
793K 57
247 Guttenberg Town-0903 B-
72.3
793K 57
248 Guttenberg Town-0903 B-
72.3
793K 57
249 Guttenberg Town-0903 B-
72.3
793K 57
250 Guttenberg Town-0903 B-
72.3
793K 57
251 Guttenberg Town-0903 B-
72.3
793K 57
252 Guttenberg Town-0903 B-
72.3
793K 57
253 Guttenberg Town-0903 B-
72.3
793K 57
254 Guttenberg Town-0903 B-
72.3
793K 57
255 Guttenberg Town-0903 B-
72.3
793K 57
256 Guttenberg Town-0903 B-
72.3
793K 57
257 Guttenberg Town-0903 B-
72.3
793K 57
258 Guttenberg Town-0903 B-
72.3
793K 57
259 Guttenberg Town-0903 B-
72.3
793K 57
260 Guttenberg Town-0903 B-
72.3
793K 57
261 Guttenberg Town-0903 B-
72.3
793K 57
262 Guttenberg Town-0903 B-
72.3
793K 57
263 Guttenberg Town-0903 B-
72.3
793K 57
264 Guttenberg Town-0903 B-
72.3
793K 57
265 Guttenberg Town-0903 B-
72.3
793K 57
266 Guttenberg Town-0903 B-
72.3
793K 57
267 Guttenberg Town-0903 B-
72.3
793K 57
268 Guttenberg Town-0903 B-
72.3
793K 57
269 Summit City-2018 B-
72.3
223K 72
270 Burlington Twp.-0306 B-
71.5
274K 38
271 Absecon City-0101 B-
71.5
120K 82
272 Oakland Boro-0242 B-
71.5
13K 106
273 Newton Town-1915 B-
71.5
8K 178
274 Mannington Twp.-1705 B-
71.4
6K 134
275 Mannington Twp.-1705 B-
71.4
6K 134
276 Saddle Brook Twp-0257 B-
71.3
13K 74
277 Deptford Twp.-0802 B-
70.9
31K 185
278 Elmwood Park Boro-0211 B-
70.8
20K 73
279 Burlington Twp.-0306 B-
70.7
309K 89
280 Totowa Boro-1612 B-
70.5
11K 58
281 Belmar Boro-1306 B-
70.3
20K 43
282 Holland Twp.-1015 B-
70.3
793 17
283 Hillside Twp.-2007 B-
70.2
294K 122
284 Shamong Twp.-0332 B-
70.2
550 154
285 Branchville Boro-1903 C+
69.6
2K 94
286 Camden City-0408 C+
69.5
47K 125
287 Plumstead Twp.-1523 C+
69.5
4K 170
288 Hampton Twp.-1910 C+
69.3
1K 72
289 Burlington Twp.-0306 C+
69.1
270K 141
290 Marlboro Twp.-1328 C+
68.3
39K 203
291 Burlington Twp.-0306 C+
68.2
277K 84
292 Mansfield Twp.-2116 C+
68.1
505 53
293 Hillsdale Boro-0227 C+
67.9
16K 379
294 Orange City-0717 C+
67.7
30K 71
295 Barnegat Twp.-1533 C+
67.6
37K 251
296 Wall Twp.-1352 C+
67.3
40K 70
297 East Hanover Twp.-1410 C+
66.9
11K 125
298 Guttenberg Town-0903 C+
66.8
817K 81
299 Hamburg Boro-1909 C+
66.8
3K 266
300 Freehold Twp.-1316 C+
66.6
378K 121
301 Burlington Twp.-0306 C+
66.5
284K 116
302 Hillsdale Boro-0227 C+
66.4
17K 389
303 Parsippany Troy-Hills-1429 C+
66.4
4K 321
304 Parsippany Troy-Hills-1429 C+
66.4
4K 321
305 Berkeley Twp.-1505 C+
66.2
30K 103
306 Hammonton Town-0113 C+
66.2
12K 300
307 Hamilton Twp-0112 C+
66.1
22K 172
308 Haledon Boro-1603 C+
66
12K 86
309 Old Bridge Twp.-1209 C+
65.9
77K 183
310 Lower Twp.-0505 C+
65.8
11K 131
311 Mount Arlington Boro-1426 C+
65.8
5K 98
312 Medford Twp.-0320 C+
65.4
18K 304
313 Perth Amboy City--1216 C+
65.3
52K 98
314 West Caldwell Boro-0721 C
64.8
11K 33
315 Hopewell Boro-1105 C
64.7
2K 335
316 Englewood C
64.7
620 87
317 Hamilton Twp-0112 C
63.3
23K 160
318 Nutley Town-0716 C
63
30K 75
319 Kinnelon Boro-1415 C
63
8K 230
320 White Twp.-2123 C
63
526 102
321 Summit City-2018 C
62.6
245K 163
322 Freehold Twp.-1316 C
62.4
390K 208
323 Freehold Twp.-1316 C
62.4
390K 208
324 Freehold Twp.-1316 C
62.4
390K 208
325 Glassboro Boro-0806 C
62.2
32K 138
326 Monroe Twp.-0811 C
62.1
26K 441
327 Bordentown Twp.-0304 C
61.7
16K 124
328 Hillside Twp.-2007 C
61.4
512K 144
329 Hillside Twp.-2007 C
61.4
512K 144
330 Montville Twp.-1421 C
61.3
22K 86
331 Pompton Lakes Boro-1609 C
61
11K 155
332 Woodland Twp.-0339 C
60.9
2K 310
333 Pequannock Twp.-1431 C
60.8
15K 183
334 Woodbine Boro-0516 C
60.2
3K 105
335 Absecon City-0101 C-
60
125K 130
336 Wharton Boro-1439 C
60
11K 165
337 Point Pleasant Boro-1524 C-
59.5
20K 155
338 Elizabeth City- 2004 C-
59
749K 479
339 Freehold Twp.-1316 C-
59
378K 200
340 Mahwah Twp-0233 C-
59
27K 173
341 Pennsville Twp.-1708 C-
59
14K 229
342 High Bridge Boro-1014 C-
58.6
3K 76
343 Mendham Twp.-1419 C-
58.5
62K 390
344 Mendham Twp.-1419 C-
58.5
62K 390
345 Mendham Twp.-1419 C-
58.5
62K 390
346 Alpha Boro-2102 C-
58.4
3K 341
347 Dover Town-1409 C-
57.4
28K 352
348 Burlington Twp.-0306 C-
57.1
312K 152
349 Burlington Twp.-0306 C-
57.1
312K 152
350 Mannington Twp.-1705 C-
57.1
11K 265
351 Pennington Boro-1108 C-
57.1
3K 419
352 Summit City-2018 C-
56.6
226K 162
353 Stanhope Boro-1919 C-
56.5
4K 173
354 Roxbury Twp.-1436 D+
54.5
22K 343
355 Freehold Twp.-1316 D+
54.4
418K 108
356 Summit City-2018 D+
54.4
280K 412
357 Franklin Twp.-1808 D+
54.2
103K 170
358 Stockton Boro-1023 D+
54.2
650 75
359 Sussex Boro-1921 D+
53.8
2K 118
360 Hawthorne Boro-1604 D+
53.7
19K 260
361 Glen Gardner Boro-1012 D+
53.6
2K 59
362 Mendham Twp.-1419 D+
52.9
63K 401
363 Hopatcong Boro-1912 D+
52.9
7K 225
364 Freehold Twp.-1316 D+
52.7
32K 131
365 Stillwater Twp.-1920 D+
52
1K 482
366 Bloomingdale Boro-1601 D+
51.9
15K 258
367 Guttenberg Town-0903 D+
50.6
804K 95
368 Summit City-2018 D+
50.6
289K 428
369 Ridgewood Twp-0251 D+
50.5
62K 283
370 New Brunswick City-1214 D+
50.4
55K 243
371 Guttenberg Town-0903 D
50
809K 436
372 Guttenberg Town-0903 D
50
809K 436
373 Guttenberg Town-0903 D
49.5
810K 438
374 Ringwood Boro-1611 D
49.2
10K 195
375 Surf City Boro-1531 D
49.2
10K 111
376 Green Twp.-1908 D
49.1
831 87
377 North Hanover Twp.-0326 D
49
14K 543
378 Lawrence Twp.-1107 D
48.7
217K 138
379 Lawrence Twp.-1107 D
48.7
217K 138
380 Clinton Town -1005 D
48.6
13K 438
381 Pemberton Twp.-0329 D
48.5
19K 488
382 Byram Twp.-1904 D
48
4K 995
383 Bridgeton City-0601 D
47.7
23K 480
384 Southampton Twp.-0333 D
47.2
6K 148
385 Chesterfield Twp.-0307 D
46.7
3K 78
386 Pittsgrove Twp.-1710 D
46
2K 348
387 Lebanon Twp.-1019 D
46
573 788
388 Washington Twp.-0818 F
45
48K 677
389 Middle Twp.-0506 D
45
9K 438
390 Denville Twp.-1408 F
44.8
27K 723
391 Lawrence Twp.-1107 F
44.7
218K 356
392 Mantua Twp.-0810 F
44.5
21K 198
393 Flemington Boro-1009 F
44.4
5K 327
394 South River Boro-1223 F
44.2
16K 47
395 Franklin Twp.-0805 F
44.1
2K 295
396 Kinnelon Boro-1415 F
44
13K 377
397 Vernon Twp.-1922 F
44
7K 1528
398 Hardyston Twp.-1911 F
44
5K 786
399 Jackson Twp.-1511 F
43.8
39K 512
400 Summit City-2018 F
43.6
280K 439
401 Rockaway Twp.-1435 F
43.1
27K 247
402 Long Beach Twp.-1517 F
42.8
30K 573
403 Hillside Twp.-2007 F
42.6
369K 244
404 Hillside Twp.-2007 F
42.6
342K 250
405 Ringwood Boro-1611 F
42.4
20K 339
406 Parsippany Troy-Hills-1429 F
42.3
54K 538
407 Hillside Twp.-2007 F
42
329K 280
408 Fairfield Twp.-0605 F
42
2K 310
409 Elizabeth City- 2004 F
41.8
651K 574
410 Fair Lawn Boro-0217 F
41.8
54K 436
411 Ramsey Boro-0248 F
41.6
15K 397
412 Milltown Boro-1212 F
41.5
7K 68
413 Burlington Twp.-0306 F
41.1
285K 162
414 Millville City-0610 F
41
28K 339
415 Burlington Twp.-0306 F
40.9
358K 252
416 Pequannock Twp.-1431 F
40.9
25K 222
417 North Brunswick Twp.-1215 F
40.5
51K 124
418 Waldwick Boro-0264 F
40.2
10K 418
419 Kinnelon Boro-1415 F
40
16K 1125
420 Lawrence Twp.-1107 F
39.9
256K 188
421 Summit City-2018 F
39.9
217K 147
422 Vineland City-0614 F
39.8
39K 450
423 Freehold Twp.-1316 F
39.1
388K 186
424 East Brunswick Twp.-1204 F
38.1
55K 99
425 Washington Twp.-1438 F
38
9K 313
426 Verona Boro-0720 F
37.5
14K 103
427 Lawrence Twp.-1107 F
37.1
227K 484
428 Manchester Twp.-1518 F
37.1
43K 215
429 Boonton Town-1401 F
36.9
10K 206
430 Sparta Twp.-1918 F
36.3
20K 473
431 Winslow Twp.-0436 F
36.2
42K 716
432 Freehold Twp.-1316 F
36.1
396K 333
433 Absecon City-0101 F
36
122K 531
434 Jefferson Twp.-1414 F
35.9
13K 762
435 Summit City-2018 F
35.1
245K 2195
Counties

Browse New Jersey counties

Atlantic 17 cities · avg 77.9 Bergen 73 cities · avg 69.5 Burlington 55 cities · avg 72.7 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 Hillsborough 1 city · avg 76.2 Hudson 6 cities · avg 83.1 Hunterdon 14 cities · avg 68.5 Mercer 9 cities · avg 57.9 Middlesex 14 cities · avg 64.3 Monmouth 47 cities · avg 75.7 Morris 26 cities · avg 59.6 Ocean 25 cities · avg 74 Oswego 1 city · avg 85.8 Passaic 12 cities · avg 60.7 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 8 cities · avg 74.3
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- (70.4/100). 65% 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 Summit City-2018 (F), Jefferson Twp.-1414 (F), Absecon City-0101 (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?

339 out of 435 cities tested positive for PFAS "forever chemicals" (78%). 289 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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