WaterVerge
Strontium Contamination

Strontium in New Jersey Drinking Water

Ranked by max strontium detected (µg/L) · UCMR 3 data (2013–2015) · Data from EPA SDWIS & UCMR

301
Cities Tested
7
Over HRL
2%
% Over HRL
518.1 µg/L
State Avg
▼ 4% vs national
vs National
331
Health Violations

Strontium in New Jersey: what the data shows

New Jersey has 301 cities with strontium data from the EPA's UCMR 3 program (2013–2015). Strontium was detected above the 1,500 µg/L EPA health reference level in 7 of those cities. The state average max detected level is 518.1 µg/L. Strontium occurs naturally in groundwater, particularly in areas with limestone and dolomite geology. It can also enter water from industrial waste and mining operations. There is no federal MCL for strontium, but the EPA established a health reference level (HRL) of 1,500 µg/L. Long-term exposure to strontium above the HRL may affect bone health, particularly in children, by substituting for calcium in developing bones. Reverse osmosis and ion exchange systems are effective at removing strontium from drinking water.

Cities exceeding 1,500 µg/L EPA HRL (no MCL)

New Jersey
2%
7 of 301 cities
▼ 4% below national rate (better)
National avg
6%
250 of 4371 cities

Strontium data across New Jersey

Each dot is a city with UCMR 3 strontium testing data. Cities where strontium exceeds the 1,500 µg/L EPA health reference level are highlighted. Size reflects population served.

New Jersey city water quality map

All New Jersey cities ranked by strontium level

# City Level Level Over HRL? Violations Grade
1 Woodbridge Twp.-1225 7756.2 µg/L
Over HRL 1
B
2 Orange City-0717 4500.0 µg/L
Over HRL 5
C+
3 Summit City-2018 3000.0 µg/L
Over HRL 1
B
4 Montclair Town-0713 2895.3 µg/L
Over HRL 1
B
5 Elizabeth City- 2004 2453.2 µg/L
Over HRL 8
C-
6 Elizabeth City- 2004 2453.2 µg/L
Over HRL 6
F
7 Collingswood Boro-0412 1580.0 µg/L
Over HRL 4
B+
8 Gloucester City-0414 1500.0 µg/L
No 2
A-
9 Woodbury City-0822 1475.0 µg/L
No 0
B
10 Burlington Twp.-0306 1389.9 µg/L
No 25
F
11 Burlington Twp.-0306 1389.9 µg/L
No 8
C-
12 Burlington Twp.-0306 1389.9 µg/L
No 8
C-
13 Burlington Twp.-0306 1389.9 µg/L
No 1
B-
14 Burlington Twp.-0306 1389.9 µg/L
No 1
B-
15 Burlington Twp.-0306 1389.9 µg/L
No 0
B-
16 Burlington Twp.-0306 1389.9 µg/L
No 5
F
17 Burlington Twp.-0306 1389.9 µg/L
No 2
C+
18 Burlington Twp.-0306 1389.9 µg/L
No 0
C+
19 Burlington Twp.-0306 1389.9 µg/L
No 1
B-
20 Burlington Twp.-0306 1389.9 µg/L
No 0
C+
21 Burlington Twp.-0306 1389.9 µg/L
No 0
B
22 Burlington Twp.-0306 1389.9 µg/L
No 0
B
23 Burlington Twp.-0306 1389.9 µg/L
No 0
B
24 Burlington Twp.-0306 1389.9 µg/L
No 0
B
25 Burlington Twp.-0306 1389.9 µg/L
No 0
B
26 Burlington Twp.-0306 1389.9 µg/L
No 0
B
27 Burlington Twp.-0306 1389.9 µg/L
No 0
B
28 Burlington Twp.-0306 1389.9 µg/L
No 0
B
29 Burlington Twp.-0306 1389.9 µg/L
No 0
B
30 Burlington Twp.-0306 1389.9 µg/L
No 0
B
31 Burlington Twp.-0306 1389.9 µg/L
No 0
B
32 Burlington Twp.-0306 1389.9 µg/L
No 0
B
33 Burlington Twp.-0306 1389.9 µg/L
No 0
B
34 Burlington Twp.-0306 1389.9 µg/L
No 0
B
35 Burlington Twp.-0306 1389.9 µg/L
No 0
B
36 Burlington Twp.-0306 1389.9 µg/L
No 0
B
37 Burlington Twp.-0306 1389.9 µg/L
No 0
B
38 Burlington Twp.-0306 1389.9 µg/L
No 0
B
39 Burlington Twp.-0306 1389.9 µg/L
No 0
B
40 Burlington Twp.-0306 1389.9 µg/L
No 0
B
41 Burlington Twp.-0306 1389.9 µg/L
No 0
B
42 Burlington Twp.-0306 1389.9 µg/L
No 0
B
43 Burlington Twp.-0306 1389.9 µg/L
No 0
B
44 Burlington Twp.-0306 1389.9 µg/L
No 0
B
45 Burlington Twp.-0306 1389.9 µg/L
No 0
B
46 Evesham Twp.-0313 1250.0 µg/L
No 1
A-
47 Summit City-2018 1180.0 µg/L
No 10
C
48 Verona Boro-0720 1180.0 µg/L
No 5
F
49 Mantua Twp.-0810 1150.0 µg/L
No 28
F
50 Mount Holly Twp.-0323 915.8 µg/L
No 0
B+
51 West Deptford Twp.-0820 840.0 µg/L
No 2
B
52 Clinton Town -1005 820.1 µg/L
No 2
D
53 East Hanover Twp.-1410 788.0 µg/L
No 8
C+
54 Deptford Twp.-0802 740.0 µg/L
No 3
B-
55 Little Falls Twp.-1605 689.8 µg/L
No 12
B
56 Hillside Twp.-2007 689.8 µg/L
No 32
C
57 Hillside Twp.-2007 689.8 µg/L
No 32
C
58 Summit City-2018 689.8 µg/L
No 5
D+
59 Summit City-2018 689.8 µg/L
No 2
F
60 Summit City-2018 689.8 µg/L
No 2
D+
61 Summit City-2018 689.8 µg/L
No 42
F
62 Summit City-2018 689.8 µg/L
No 0
C-
63 Summit City-2018 689.8 µg/L
No 3
B-
64 Summit City-2018 689.8 µg/L
No 0
B+
65 Summit City-2018 689.8 µg/L
No 0
B+
66 Summit City-2018 689.8 µg/L
No 0
B+
67 Summit City-2018 689.8 µg/L
No 0
B+
68 Summit City-2018 689.8 µg/L
No 12
F
69 Summit City-2018 689.8 µg/L
No 0
B+
70 Summit City-2018 689.8 µg/L
No 0
B+
71 Summit City-2018 689.8 µg/L
No 0
B+
72 Summit City-2018 689.8 µg/L
No 0
B+
73 Summit City-2018 689.8 µg/L
No 0
B+
74 Summit City-2018 689.8 µg/L
No 0
B+
75 Summit City-2018 689.8 µg/L
No 0
B+
76 Summit City-2018 689.8 µg/L
No 0
B+
77 Summit City-2018 689.8 µg/L
No 0
B+
78 Summit City-2018 689.8 µg/L
No 0
B+
79 Summit City-2018 689.8 µg/L
No 0
B+
80 Summit City-2018 689.8 µg/L
No 0
B+
81 Summit City-2018 689.8 µg/L
No 0
B+
82 Ridgewood Twp-0251 640.0 µg/L
No 12
D+
83 Garfield City-0221 640.0 µg/L
No 13
B
84 New Hanover Twp.-0325 605.0 µg/L
No 4
B+
85 Fair Lawn Boro-0217 601.3 µg/L
No 8
F
86 Willingboro Twp.-0338 563.4 µg/L
No 1
B
87 Manchester Twp.-1518 560.0 µg/L
No 23
F
88 Sparta Twp.-1918 527.0 µg/L
No 11
F
89 Guttenberg Town-0903 512.0 µg/L
No 4
D
90 Guttenberg Town-0903 512.0 µg/L
No 4
D
91 Guttenberg Town-0903 512.0 µg/L
No 4
D
92 Hillsdale Boro-0227 512.0 µg/L
No 2
C+
93 Hillsdale Boro-0227 512.0 µg/L
No 2
C+
94 Freehold Twp.-1316 508.5 µg/L
No 13
B-
95 Freehold Twp.-1316 508.5 µg/L
No 2
B
96 Freehold Twp.-1316 508.5 µg/L
No 8
D+
97 Freehold Twp.-1316 508.5 µg/L
No 3
B-
98 Freehold Twp.-1316 508.5 µg/L
No 1
B
99 Freehold Twp.-1316 508.5 µg/L
No 22
F
100 Freehold Twp.-1316 508.5 µg/L
No 4
C
101 Freehold Twp.-1316 508.5 µg/L
No 4
C
102 Freehold Twp.-1316 508.5 µg/L
No 4
C
103 Freehold Twp.-1316 508.5 µg/L
No 6
F
104 Freehold Twp.-1316 508.5 µg/L
No 3
C-
105 Freehold Twp.-1316 508.5 µg/L
No 9
C+
106 Freehold Twp.-1316 508.5 µg/L
No 1
B+
107 Freehold Twp.-1316 508.5 µg/L
No 1
B+
108 Freehold Twp.-1316 508.5 µg/L
No 1
B+
109 Freehold Twp.-1316 508.5 µg/L
No 1
B+
110 Freehold Twp.-1316 508.5 µg/L
No 1
B+
111 Freehold Twp.-1316 508.5 µg/L
No 1
B+
112 Freehold Twp.-1316 508.5 µg/L
No 1
B+
113 Freehold Twp.-1316 508.5 µg/L
No 1
B+
114 Freehold Twp.-1316 508.5 µg/L
No 1
B+
115 Freehold Twp.-1316 508.5 µg/L
No 1
B+
116 Freehold Twp.-1316 508.5 µg/L
No 1
B+
117 Freehold Twp.-1316 508.5 µg/L
No 1
B+
118 Freehold Twp.-1316 508.5 µg/L
No 1
B+
119 Freehold Twp.-1316 508.5 µg/L
No 1
B+
120 Freehold Twp.-1316 508.5 µg/L
No 1
B+
121 Medford Twp.-0320 502.3 µg/L
No 2
C+
122 Point Pleasant Boro-1524 454.8 µg/L
No 2
C-
123 Hillside Twp.-2007 440.0 µg/L
No 35
F
124 Mendham Twp.-1419 440.0 µg/L
No 2
D+
125 Mendham Twp.-1419 440.0 µg/L
No 2
C-
126 Mendham Twp.-1419 440.0 µg/L
No 2
C-
127 Mendham Twp.-1419 440.0 µg/L
No 2
C-
128 Rahway City-2013 430.0 µg/L
No 12
B
129 Wall Twp.-1352 424.7 µg/L
No 5
C+
130 Pine Hill Boro-0428 410.0 µg/L
No 0
A-
131 Spring Lake Boro-1348 400.0 µg/L
No 0
A-
132 Hawthorne Boro-1604 390.0 µg/L
No 3
D+
133 Berlin Boro-0405 378.2 µg/L
No 1
B+
134 Ramsey Boro-0248 370.0 µg/L
No 56
F
135 Parsippany Troy-Hills-1429 360.0 µg/L
No 5
F
136 Washington Twp.-0818 358.0 µg/L
No 0
F
137 Oldmans Twp.-1706 331.6 µg/L
No 3
B-
138 Oldmans Twp.-1706 331.6 µg/L
No 3
B-
139 Oldmans Twp.-1706 331.6 µg/L
No 1
B+
140 Pompton Lakes Boro-1609 327.4 µg/L
No 0
C
141 Pennsville Twp.-1708 319.1 µg/L
No 5
C-
142 Pemberton Twp.-0329 309.4 µg/L
No 21
D
143 Oakland Boro-0242 293.0 µg/L
No 2
B-
144 Montville Twp.-1421 263.8 µg/L
No 7
C
145 Seaside Heights Boro-1526 260.0 µg/L
No 0
A-
146 Madison Boro-1417 260.0 µg/L
No 7
B-
147 Boonton Town-1401 240.0 µg/L
No 9
F
148 Glassboro Boro-0806 232.8 µg/L
No 16
C
149 Jackson Twp.-1511 230.0 µg/L
No 18
F
150 Point P. Beach Boro-1525 230.0 µg/L
No 1
B
151 Ocean City-0508 221.4 µg/L
No 0
A+
152 Camden City-0408 203.0 µg/L
No 8
C+
153 Mahwah Twp-0233 202.0 µg/L
No 2
C-
154 Denville Twp.-1408 200.0 µg/L
No 4
F
155 Freehold Twp.-1316 199.6 µg/L
No 17
D+
156 Ringwood Boro-1611 192.5 µg/L
No 19
F
157 Wildwood City-0514 191.5 µg/L
No 6
B-
158 Dover Town-1409 190.0 µg/L
No 10
C-
159 Randolph Twp.-1432 188.6 µg/L
No 3
B+
160 Franklin Twp.-1808 186.0 µg/L
No 16
D+
161 Franklin Twp.-1808 186.0 µg/L
No 1
B
162 Old Bridge Twp.-1209 176.0 µg/L
No 14
C+
163 Avalon Boro-0501 172.3 µg/L
No 2
B
164 Winslow Twp.-0436 172.3 µg/L
No 37
F
165 Guttenberg Town-0903 170.0 µg/L
No 4
C+
166 Guttenberg Town-0903 170.0 µg/L
No 4
D+
167 Guttenberg Town-0903 170.0 µg/L
No 2
B-
168 Guttenberg Town-0903 170.0 µg/L
No 2
B-
169 Guttenberg Town-0903 170.0 µg/L
No 2
B-
170 Guttenberg Town-0903 170.0 µg/L
No 2
B-
171 Guttenberg Town-0903 170.0 µg/L
No 2
B-
172 Guttenberg Town-0903 170.0 µg/L
No 2
B-
173 Guttenberg Town-0903 170.0 µg/L
No 2
B-
174 Guttenberg Town-0903 170.0 µg/L
No 2
B-
175 Guttenberg Town-0903 170.0 µg/L
No 2
B-
176 Guttenberg Town-0903 170.0 µg/L
No 2
B-
177 Guttenberg Town-0903 170.0 µg/L
No 2
B-
178 Guttenberg Town-0903 170.0 µg/L
No 2
B-
179 Guttenberg Town-0903 170.0 µg/L
No 2
B-
180 Guttenberg Town-0903 170.0 µg/L
No 2
B-
181 Guttenberg Town-0903 170.0 µg/L
No 2
B-
182 Guttenberg Town-0903 170.0 µg/L
No 2
B-
183 Guttenberg Town-0903 170.0 µg/L
No 2
B-
184 Guttenberg Town-0903 170.0 µg/L
No 2
B-
185 Guttenberg Town-0903 170.0 µg/L
No 2
B-
186 Guttenberg Town-0903 170.0 µg/L
No 2
B-
187 Guttenberg Town-0903 170.0 µg/L
No 2
B-
188 Guttenberg Town-0903 170.0 µg/L
No 2
B-
189 Guttenberg Town-0903 170.0 µg/L
No 2
B-
190 Guttenberg Town-0903 170.0 µg/L
No 2
B-
191 Guttenberg Town-0903 170.0 µg/L
No 2
B-
192 Guttenberg Town-0903 170.0 µg/L
No 2
B-
193 Guttenberg Town-0903 170.0 µg/L
No 2
B-
194 Guttenberg Town-0903 170.0 µg/L
No 2
B-
195 Guttenberg Town-0903 170.0 µg/L
No 2
B-
196 Guttenberg Town-0903 170.0 µg/L
No 2
B-
197 Guttenberg Town-0903 170.0 µg/L
No 2
B-
198 Guttenberg Town-0903 170.0 µg/L
No 2
B-
199 Guttenberg Town-0903 170.0 µg/L
No 2
B-
200 Guttenberg Town-0903 170.0 µg/L
No 2
B-
201 Guttenberg Town-0903 170.0 µg/L
No 2
B-
202 Guttenberg Town-0903 170.0 µg/L
No 2
B-
203 Guttenberg Town-0903 170.0 µg/L
No 2
B-
204 Guttenberg Town-0903 170.0 µg/L
No 2
B-
205 Guttenberg Town-0903 170.0 µg/L
No 2
B-
206 Guttenberg Town-0903 170.0 µg/L
No 2
B-
207 Guttenberg Town-0903 170.0 µg/L
No 2
B-
208 Guttenberg Town-0903 170.0 µg/L
No 2
B-
209 Guttenberg Town-0903 170.0 µg/L
No 2
B-
210 Guttenberg Town-0903 170.0 µg/L
No 2
B-
211 Guttenberg Town-0903 170.0 µg/L
No 2
B-
212 Guttenberg Town-0903 170.0 µg/L
No 2
B-
213 Guttenberg Town-0903 170.0 µg/L
No 2
B-
214 Guttenberg Town-0903 170.0 µg/L
No 2
B-
215 Guttenberg Town-0903 170.0 µg/L
No 2
B-
216 Guttenberg Town-0903 170.0 µg/L
No 2
B-
217 Guttenberg Town-0903 170.0 µg/L
No 2
B-
218 Sea Isle City-0509 170.0 µg/L
No 0
A-
219 Freehold Boro-1315 170.0 µg/L
No 3
B-
220 Washington Boro-2121 167.1 µg/L
No 0
B+
221 Lyndhurst Twp-0232 161.0 µg/L
No 2
B+
222 Nutley Town-0716 160.0 µg/L
No 13
C
223 Harrison Town-0904 160.0 µg/L
No 3
B+
224 Edison Twp.-1205 159.2 µg/L
No 4
B-
225 Saddle Brook Twp-0257 153.0 µg/L
No 13
B-
226 Rockaway Twp.-1435 152.0 µg/L
No 8
F
227 Pequannock Twp.-1431 147.4 µg/L
No 24
F
228 Pequannock Twp.-1431 147.4 µg/L
No 10
C
229 Cape May City-0502 147.3 µg/L
No 9
B
230 Hamilton Twp-0112 146.8 µg/L
No 4
C
231 Hamilton Twp-0112 146.8 µg/L
No 4
C+
232 Ringwood Boro-1611 142.0 µg/L
No 10
D
233 Haledon Boro-1603 140.0 µg/L
No 22
C+
234 West Caldwell Boro-0721 140.0 µg/L
No 3
C
235 Elmwood Park Boro-0211 139.0 µg/L
No 12
B-
236 Washington Twp.-1438 138.3 µg/L
No 22
F
237 East Brunswick Twp.-1204 130.0 µg/L
No 17
F
238 Marlboro Twp.-1328 130.0 µg/L
No 13
C+
239 North Arlington Boro-0239 130.0 µg/L
No 7
B+
240 South River Boro-1223 127.0 µg/L
No 7
F
241 Allamuchy Twp.-2101 125.0 µg/L
No 0
B+
242 Hackettstown Town-2108 123.0 µg/L
No 2
B-
243 New Brunswick City-1214 120.0 µg/L
No 46
D+
244 Monroe Twp.-0811 114.1 µg/L
No 9
C
245 Margate City-0116 112.0 µg/L
No 1
A
246 Jersey City-0906 110.0 µg/L
No 5
B
247 Roxbury Twp.-1436 110.0 µg/L
No 8
D+
248 Totowa Boro-1612 110.0 µg/L
No 1
B-
249 Absecon City-0101 108.9 µg/L
No 9
C-
250 Absecon City-0101 108.9 µg/L
No 22
F
251 Absecon City-0101 108.9 µg/L
No 4
B-
252 Absecon City-0101 108.9 µg/L
No 0
A-
253 Absecon City-0101 108.9 µg/L
No 0
A-
254 Absecon City-0101 108.9 µg/L
No 0
A-
255 Absecon City-0101 108.9 µg/L
No 0
A-
256 East Windsor Twp.-1101 106.0 µg/L
No 1
A-
257 Lawrence Twp.-1107 102.0 µg/L
No 37
F
258 Manalapan Twp.-1326 100.0 µg/L
No 1
B+
259 Hoboken City-0905 100.0 µg/L
No 0
A-
260 Highland Park Boro-1207 99.7 µg/L
No 4
B+
261 Lawrence Twp.-1107 96.0 µg/L
No 40
F
262 Lawrence Twp.-1107 96.0 µg/L
No 39
F
263 Lawrence Twp.-1107 96.0 µg/L
No 35
D
264 Lawrence Twp.-1107 96.0 µg/L
No 35
D
265 Ventnor City-0122 95.1 µg/L
No 7
B+
266 Long Beach Twp.-1517 95.0 µg/L
No 0
F
267 Phillipsburg Town-2119 93.0 µg/L
No 0
B+
268 Bridgeton City-0601 92.1 µg/L
No 55
D
269 Brigantine City-0103 89.3 µg/L
No 3
B+
270 North Brunswick Twp.-1215 88.0 µg/L
No 17
F
271 Stone Harbor Boro-0510 86.2 µg/L
No 2
B+
272 Longport Boro-0115 83.8 µg/L
No 3
A
273 Florence Twp.-0315 80.2 µg/L
No 1
B
274 Cedar Grove Twp.-0704 66.3 µg/L
No 3
B
275 Wayne Twp.-1614 64.7 µg/L
No 1
B+
276 Sayreville Boro-1219 64.1 µg/L
No 2
B
277 Bayonne City-0901 64.0 µg/L
No 1
B+
278 Atlantic City-0102 63.3 µg/L
No 4
B
279 Perth Amboy City--1216 61.0 µg/L
No 8
C+
280 Beach Haven Boro-1503 61.0 µg/L
No 1
A-
281 Kearny Town-0907 59.0 µg/L
No 2
B+
282 Hillside Twp.-2007 51.3 µg/L
No 75
F
283 Hillside Twp.-2007 51.3 µg/L
No 67
F
284 Hillside Twp.-2007 51.3 µg/L
No 32
B-
285 Little Egg Harbor-1516 48.5 µg/L
No 1
A
286 Vineland City-0614 46.0 µg/L
No 70
F
287 Ship Bottom Boro-1528 46.0 µg/L
No 2
A-
288 Berkeley Twp.-1505 45.0 µg/L
No 2
C+
289 Wall Twp.-1352 42.0 µg/L
No 1
B
290 Seaside Park Boro-1527 40.5 µg/L
No 1
A-
291 Barnegat Twp.-1533 40.0 µg/L
No 5
C+
292 Millville City-0610 37.3 µg/L
No 3
F
293 Bordentown Twp.-0304 34.6 µg/L
No 17
C
294 Bordentown Twp.-0304 34.6 µg/L
No 14
B-
295 Bordentown Twp.-0304 34.6 µg/L
No 14
B-
296 Barnegat Twp.-1533 30.9 µg/L
No 2
B+
297 Lacey Twp.-1512 27.5 µg/L
No 2
B+
298 Stafford Twp.-1530 27.0 µg/L
No 3
B
299 Beachwood Boro-1504 24.0 µg/L
No 0
B-
300 Galloway Twp-0111 23.4 µg/L
No 1
A-
301 Hammonton Town-0113 21.9 µg/L
No 38
C+

Frequently asked questions about strontium in New Jersey

Is strontium in New Jersey tap water harmful?

Strontium at low levels is not considered harmful, but the EPA set a health reference level (HRL) of 1,500 µg/L based on potential bone effects. 7 cities in New Jersey exceed this HRL. There is currently no federal MCL for strontium. Children may be more susceptible because strontium can substitute for calcium in developing bones.

How can I remove strontium from my drinking water?

Reverse osmosis and ion exchange (water softener) systems are effective at removing strontium from drinking water. Standard carbon filters are NOT effective. If your water comes from a well in an area with limestone or dolomite geology, consider testing for strontium.