Skip to main content
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

299
Cities Tested
7
Over HRL
2%
% Over HRL
519.5 µg/L
State Avg
▼ 4% vs national
vs National
323
Health Violations

Strontium in New Jersey: what the data shows

New Jersey has 299 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 519.5 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 299 cities
▼ 4% below national rate (better)
National avg
6%
247 of 4292 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 South Orange Village-0719 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 Monroe Twp.-1213 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 Audubon Boro-0401 1389.9 µg/L
No 0
B
11 Audubon Park Boro-0402 1389.9 µg/L
No 0
B
12 Barrington Boro-0403 1389.9 µg/L
No 0
B
13 Beverly City-0302 1389.9 µg/L
No 0
B
14 Cherry Hill Twp.-0409 1389.9 µg/L
No 8
C-
15 Cinnaminson Twp.-0308 1389.9 µg/L
No 0
B
16 Clementon Boro-0411 1389.9 µg/L
No 0
C+
17 Delanco Twp.-0309 1389.9 µg/L
No 0
B
18 Delran Twp.-0310 1389.9 µg/L
No 0
B
19 Edgewater Park Twp.-0312 1389.9 µg/L
No 0
B
20 Gibbsboro Boro-0413 1389.9 µg/L
No 0
B
21 Gloucester Twp.-0415 1389.9 µg/L
No 1
B-
22 Haddon Heights Boro-0418 1389.9 µg/L
No 0
B
23 Haddon Twp.-0416 1389.9 µg/L
No 0
C+
24 Haddonfield Boro-0417 1389.9 µg/L
No 0
B
25 Hi-Nella Boro-0419 1389.9 µg/L
No 0
B
26 Laurel Springs Boro-0420 1389.9 µg/L
No 0
B
27 Lawnside Boro-0421 1389.9 µg/L
No 0
B
28 Lindenwold Boro-0422 1389.9 µg/L
No 0
B
29 Magnolia Boro-0423 1389.9 µg/L
No 0
B
30 Mount Ephraim Boro-0425 1389.9 µg/L
No 0
B
31 Mount Laurel Twp.-0324 1389.9 µg/L
No 1
B-
32 Oaklyn Boro-0426 1389.9 µg/L
No 0
B
33 Palmyra Boro-0327 1389.9 µg/L
No 0
B
34 Riverside Twp.-0330 1389.9 µg/L
No 0
B
35 Riverton Boro-0331 1389.9 µg/L
No 0
B
36 Runnemede Boro-0430 1389.9 µg/L
No 0
B
37 Somerdale Boro-0431 1389.9 µg/L
No 0
B
38 Stratford Boro-0432 1389.9 µg/L
No 0
B
39 Voorhees Twp.-0434 1389.9 µg/L
No 0
B
40 Pennsauken Twp.-0427 1389.9 µg/L
No 8
C-
41 Camden City-0408 1389.9 µg/L
No 25
F
42 Burlington Twp.-0306 1389.9 µg/L
No 0
B-
43 Moorestown Twp.-0322 1389.9 µg/L
No 5
F
44 Maple Shade Twp.-0319 1389.9 µg/L
No 2
C+
45 Bellmawr Boro-0404 1389.9 µg/L
No 1
B-
46 Evesham Twp.-0313 1250.0 µg/L
No 1
A-
47 Livingston Twp.-0710 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 Irvington Town-0709 689.8 µg/L
No 32
C
58 Bedminster Twp.-1801 689.8 µg/L
No 0
B+
59 Belvidere Town-2103 689.8 µg/L
No 0
B+
60 Berkeley Heights Twp.-2001 689.8 µg/L
No 0
B+
61 Bernards Twp.-1802 689.8 µg/L
No 0
B+
62 Bernardsville Boro-1803 689.8 µg/L
No 0
B+
63 Chatham Boro-1404 689.8 µg/L
No 5
D+
64 Chester Twp.-1407 689.8 µg/L
No 0
B+
65 Far Hills Boro-1807 689.8 µg/L
No 0
B+
66 Franklin Twp.-2105 689.8 µg/L
No 0
B+
67 Frenchtown Boro-1011 689.8 µg/L
No 0
B+
68 Harding Twp.-1413 689.8 µg/L
No 2
F
69 Maplewood Twp.-0711 689.8 µg/L
No 0
B+
70 Mendham Boro-1418 689.8 µg/L
No 0
B+
71 Mendham Twp.-1419 689.8 µg/L
No 2
D+
72 Millburn Twp.-0712 689.8 µg/L
No 0
B+
73 Mount Olive Twp.-1427 689.8 µg/L
No 42
F
74 New Providence Boro-2011 689.8 µg/L
No 0
B+
75 Oxford Twp.-2117 689.8 µg/L
No 12
F
76 Springfield Twp.-2017 689.8 µg/L
No 0
B+
77 Summit City-2018 689.8 µg/L
No 0
B+
78 Union Twp-.2019 689.8 µg/L
No 0
B+
79 Warren Twp.-1820 689.8 µg/L
No 0
B+
80 Florham Park Boro-1411 689.8 µg/L
No 0
C-
81 North Caldwell Boro-0715 689.8 µg/L
No 3
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 Hillsdale Boro-0227 512.0 µg/L
No 4
D
90 Montvale Boro-0236 512.0 µg/L
No 4
D
91 Woodcliff Lake Boro-0268 512.0 µg/L
No 4
D
92 Park Ridge Boro-0247 512.0 µg/L
No 2
C+
93 Saddle River Boro-0258 512.0 µg/L
No 2
C+
94 Aberdeen Twp-1330 508.5 µg/L
No 22
F
95 Asbury Park City-1303 508.5 µg/L
No 1
B+
96 Bay Head Boro-1502 508.5 µg/L
No 1
B+
97 Bradley Beach Boro-1307 508.5 µg/L
No 1
B+
98 Brick Twp.-1506 508.5 µg/L
No 2
B
99 Eatontown Boro-1311 508.5 µg/L
No 1
B+
100 Fair Haven Boro-1313 508.5 µg/L
No 4
C
101 Holmdel Twp.-1318 508.5 µg/L
No 1
B+
102 Lavalette Boro-1515 508.5 µg/L
No 1
B
103 Little Silver Boro-1323 508.5 µg/L
No 4
C
104 Long Branch City-1325 508.5 µg/L
No 1
B+
105 Middletown Twp.-1331 508.5 µg/L
No 9
C+
106 Neptune City Boro-1335 508.5 µg/L
No 1
B+
107 Neptune Twp.-1334 508.5 µg/L
No 1
B+
108 Ocean Twp.-1337 508.5 µg/L
No 1
B+
109 Oceanport Boro-1338 508.5 µg/L
No 1
B+
110 Red Bank Boro-1340 508.5 µg/L
No 4
C
111 Rumson Boro-1342 508.5 µg/L
No 1
B+
112 Shrewsbury Boro-1345 508.5 µg/L
No 1
B+
113 Tinton Falls-1336 508.5 µg/L
No 1
B+
114 Union Beach Boro-1350 508.5 µg/L
No 1
B+
115 West Long Branch Boro-1353 508.5 µg/L
No 1
B+
116 Toms River-1507 508.5 µg/L
No 13
B
117 Freehold Twp.-1316 508.5 µg/L
No 8
D+
118 Lakewood Twp.-1514 508.5 µg/L
No 3
B-
119 Keansburg Boro-1321 508.5 µg/L
No 6
F
120 Medford Twp.-0320 502.3 µg/L
No 2
C+
121 Point Pleasant Boro-1524 454.8 µg/L
No 2
C-
122 East Orange City-0705 440.0 µg/L
No 35
F
123 Hanover Twp.-1412 440.0 µg/L
No 2
C-
124 Morris Plains Boro-1423 440.0 µg/L
No 2
C-
125 Morris Twp.-1422 440.0 µg/L
No 2
D+
126 Morristown Town-1424 440.0 µg/L
No 2
C-
127 Rahway City-2013 430.0 µg/L
No 12
B
128 Wall Twp.-1352 424.7 µg/L
No 5
C+
129 Pine Hill Boro-0428 410.0 µg/L
No 0
A-
130 Spring Lake Boro-1348 400.0 µg/L
No 0
A-
131 Hawthorne Boro-1604 390.0 µg/L
No 3
D+
132 Berlin Boro-0405 378.2 µg/L
No 1
B+
133 Ramsey Boro-0248 370.0 µg/L
No 56
F
134 Parsippany Troy-Hills-1429 360.0 µg/L
No 5
F
135 Washington Twp.-0818 358.0 µg/L
No 0
F
136 Carney'S Point Twp.-1713 331.6 µg/L
No 3
B-
137 Oldmans Twp.-1706 331.6 µg/L
No 3
B-
138 Penns Grove Boro- 1707 331.6 µg/L
No 1
B+
139 Pompton Lakes Boro-1609 327.4 µg/L
No 0
C
140 Pennsville Twp.-1708 319.1 µg/L
No 5
C-
141 Pemberton Twp.-0329 309.4 µg/L
No 21
D
142 Oakland Boro-0242 293.0 µg/L
No 2
B-
143 Montville Twp.-1421 263.8 µg/L
No 7
C
144 Seaside Heights Boro-1526 260.0 µg/L
No 0
A-
145 Madison Boro-1417 260.0 µg/L
No 7
B-
146 Boonton Town-1401 240.0 µg/L
No 9
F
147 Glassboro Boro-0806 232.8 µg/L
No 16
C
148 Jackson Twp.-1511 230.0 µg/L
No 18
F
149 Point P. Beach Boro-1525 230.0 µg/L
No 1
B
150 Ocean City-0508 221.4 µg/L
No 0
A+
151 Merchantville Boro-0424 203.0 µg/L
No 8
C+
152 Mahwah Twp-0233 202.0 µg/L
No 2
C-
153 Denville Twp.-1408 200.0 µg/L
No 4
F
154 Colts Neck Twp.-1309 199.6 µg/L
No 17
D+
155 Ringwood Boro-1611 192.5 µg/L
No 19
F
156 Wildwood City-0514 191.5 µg/L
No 6
B-
157 Dover Town-1409 190.0 µg/L
No 10
C-
158 Randolph Twp.-1432 188.6 µg/L
No 3
B+
159 Franklin Twp.-1808 186.0 µg/L
No 16
D+
160 South Brunswick Twp.-1221 186.0 µg/L
No 1
B
161 Old Bridge Twp.-1209 176.0 µg/L
No 14
C+
162 Avalon Boro-0501 172.3 µg/L
No 2
B
163 Winslow Twp.-0436 172.3 µg/L
No 37
F
164 Alpine Boro-0202 170.0 µg/L
No 2
B-
165 Bergenfield Boro-0203 170.0 µg/L
No 2
B-
166 Bogota Boro-0204 170.0 µg/L
No 2
B-
167 Carlstadt Boro-0205 170.0 µg/L
No 2
B-
168 Cliffside Park Boro-0206 170.0 µg/L
No 2
B-
169 Closter Boro-0207 170.0 µg/L
No 2
B-
170 Cresskill Boro-0208 170.0 µg/L
No 2
B-
171 Demarest Boro-0209 170.0 µg/L
No 2
B-
172 Dumont Boro-0210 170.0 µg/L
No 2
B-
173 East Rutherford Boro-0212 170.0 µg/L
No 2
B-
174 Edgewater Boro-0213 170.0 µg/L
No 2
B-
175 Emerson Boro-0214 170.0 µg/L
No 2
B-
176 Englewood City-0215 170.0 µg/L
No 2
B-
177 Englewood Cliffs Boro-0216 170.0 µg/L
No 2
B-
178 Fairview Boro-0218 170.0 µg/L
No 2
B-
179 Fort Lee Boro-0219 170.0 µg/L
No 2
B-
180 Guttenberg Town-0903 170.0 µg/L
No 2
B-
181 Hackensack City-0223 170.0 µg/L
No 2
B-
182 Harrington Park Boro-0224 170.0 µg/L
No 2
B-
183 Hasbrouck Heights-0225 170.0 µg/L
No 2
B-
184 Haworth Boro-0226 170.0 µg/L
No 2
B-
185 Leonia Boro-0229 170.0 µg/L
No 2
B-
186 Little Ferry Boro-0230 170.0 µg/L
No 2
B-
187 Lodi Boro-0231 170.0 µg/L
No 4
C+
188 Maywood Boro-0234 170.0 µg/L
No 2
B-
189 Moonachie Boro-0237 170.0 µg/L
No 2
B-
190 New Milford Boro-0238 170.0 µg/L
No 2
B-
191 North Bergen Twp.-0908 170.0 µg/L
No 2
B-
192 Northvale Boro-0240 170.0 µg/L
No 2
B-
193 Norwood Boro-0241 170.0 µg/L
No 2
B-
194 Old Tappan Boro-0243 170.0 µg/L
No 2
B-
195 Oradell Boro-0244 170.0 µg/L
No 2
B-
196 Palisades Park Boro-0245 170.0 µg/L
No 2
B-
197 Paramus Boro-0246 170.0 µg/L
No 2
B-
198 Ridgefield Boro-0249 170.0 µg/L
No 2
B-
199 Ridgefield Park Twp-0250 170.0 µg/L
No 2
B-
200 River Edge Boro-0252 170.0 µg/L
No 2
B-
201 River Vale Twp-0253 170.0 µg/L
No 2
B-
202 Rochelle Park Twp-0254 170.0 µg/L
No 2
B-
203 Rockleigh Boro-0255 170.0 µg/L
No 2
B-
204 Rutherford Boro-0256 170.0 µg/L
No 2
B-
205 Secaucus Town-0909 170.0 µg/L
No 2
B-
206 South Hackensack Twp-.0259 170.0 µg/L
No 2
B-
207 Teaneck Twp-.0260 170.0 µg/L
No 2
B-
208 Tenafly Boro-0261 170.0 µg/L
No 2
B-
209 Teterboro Boro-0262 170.0 µg/L
No 2
B-
210 Upper Saddle River-0263 170.0 µg/L
No 2
B-
211 Washington Twp.-0266 170.0 µg/L
No 2
B-
212 Weehawken Twp.-0911 170.0 µg/L
No 2
B-
213 West New York Town-0912 170.0 µg/L
No 2
B-
214 Westwood Boro-0267 170.0 µg/L
No 2
B-
215 Wood-Ridge Boro-0269 170.0 µg/L
No 2
B-
216 Sea Isle City-0509 170.0 µg/L
No 0
A-
217 Wallington Boro-0265 170.0 µg/L
No 4
D+
218 Freehold Boro-1315 170.0 µg/L
No 3
B-
219 Washington Boro-2121 167.1 µg/L
No 0
B+
220 Lyndhurst Twp-0232 161.0 µg/L
No 2
B+
221 Nutley Town-0716 160.0 µg/L
No 13
C
222 Harrison Town-0904 160.0 µg/L
No 3
B+
223 Edison Twp.-1205 159.2 µg/L
No 4
B-
224 Saddle Brook Twp-0257 153.0 µg/L
No 13
B-
225 Rockaway Twp.-1435 152.0 µg/L
No 8
F
226 Pequannock Twp.-1431 147.4 µg/L
No 10
C
227 Lincoln Park Boro-1416 147.4 µg/L
No 24
F
228 Cape May City-0502 147.3 µg/L
No 9
B
229 Hamilton Twp-0112 146.8 µg/L
No 4
C+
230 Weymouth Twp-.0123 146.8 µg/L
No 4
C
231 Wanaque Boro-1613 142.0 µg/L
No 10
D
232 Haledon Boro-1603 140.0 µg/L
No 22
C+
233 West Caldwell Boro-0721 140.0 µg/L
No 3
C
234 Elmwood Park Boro-0211 139.0 µg/L
No 12
B-
235 Washington Twp.-1438 138.3 µg/L
No 22
F
236 East Brunswick Twp.-1204 130.0 µg/L
No 17
F
237 Marlboro Twp.-1328 130.0 µg/L
No 13
C+
238 North Arlington Boro-0239 130.0 µg/L
No 7
B+
239 South River Boro-1223 127.0 µg/L
No 7
F
240 Allamuchy Twp.-2101 125.0 µg/L
No 0
B+
241 Hackettstown Town-2108 123.0 µg/L
No 2
B-
242 New Brunswick City-1214 120.0 µg/L
No 46
D+
243 Monroe Twp.-0811 114.1 µg/L
No 9
C
244 Margate City-0116 112.0 µg/L
No 1
A
245 Jersey City-0906 110.0 µg/L
No 5
B
246 Roxbury Twp.-1436 110.0 µg/L
No 8
D+
247 Totowa Boro-1612 110.0 µg/L
No 1
B-
248 Absecon City-0101 108.9 µg/L
No 0
A-
249 Galloway Twp-0111 108.9 µg/L
No 9
C-
250 Linwood City-0114 108.9 µg/L
No 0
A-
251 Northfield City-0118 108.9 µg/L
No 0
A-
252 Pleasantville City-0119 108.9 µg/L
No 4
B-
253 Somers Point City-0121 108.9 µg/L
No 0
A-
254 East Windsor Twp.-1101 106.0 µg/L
No 1
A-
255 Hamilton Twp.-1103 102.0 µg/L
No 37
F
256 Hoboken City-0905 100.0 µg/L
No 0
A-
257 Manalapan Twp.-1326 100.0 µg/L
No 1
B+
258 Highland Park Boro-1207 99.7 µg/L
No 4
B+
259 Ewing Twp.-1102 96.0 µg/L
No 35
D
260 Hopewell Twp.1106- 96.0 µg/L
No 39
F
261 Lawrence Twp.-1107 96.0 µg/L
No 40
F
262 Trenton City-1111 96.0 µg/L
No 35
D
263 Ventnor City-0122 95.1 µg/L
No 7
B+
264 Long Beach Twp.-1517 95.0 µg/L
No 0
F
265 Phillipsburg Town-2119 93.0 µg/L
No 0
B+
266 Bridgeton City-0601 92.1 µg/L
No 55
D
267 Brigantine City-0103 89.3 µg/L
No 3
B+
268 North Brunswick Twp.-1215 88.0 µg/L
No 17
F
269 Stone Harbor Boro-0510 86.2 µg/L
No 2
B+
270 Longport Boro-0115 83.8 µg/L
No 3
A
271 Florence Twp.-0315 80.2 µg/L
No 1
B
272 Cedar Grove Twp.-0704 66.3 µg/L
No 3
B
273 Wayne Twp.-1614 64.7 µg/L
No 1
B+
274 Sayreville Boro-1219 64.1 µg/L
No 2
B
275 Bayonne City-0901 64.0 µg/L
No 1
B+
276 Atlantic City-0102 63.3 µg/L
No 4
B
277 Perth Amboy City--1216 61.0 µg/L
No 8
C+
278 Beach Haven Boro-1503 61.0 µg/L
No 1
A-
279 Kearny Town-0907 59.0 µg/L
No 2
B+
280 Newark-0714 51.3 µg/L
No 32
B-
281 Bloomfield Town-0702 51.3 µg/L
No 75
F
282 Belleville Town-0701 51.3 µg/L
No 67
F
283 Little Egg Harbor-1516 48.5 µg/L
No 1
A
284 Vineland City-0614 46.0 µg/L
No 70
F
285 Ship Bottom Boro-1528 46.0 µg/L
No 2
A-
286 Berkeley Twp.-1505 45.0 µg/L
No 2
C+
287 Manasquan Boro-1327 42.0 µg/L
No 1
B
288 Seaside Park Boro-1527 40.5 µg/L
No 1
A-
289 Barnegat Twp.-1533 40.0 µg/L
No 5
C+
290 Millville City-0610 37.3 µg/L
No 3
F
291 Bordentown City-0303 34.6 µg/L
No 14
B-
292 Bordentown Twp.-0304 34.6 µg/L
No 14
B-
293 Fieldsboro Boro-0314 34.6 µg/L
No 17
C
294 Ocean Twp.-1520 30.9 µg/L
No 2
B+
295 Lacey Twp.-1512 27.5 µg/L
No 2
B+
296 Stafford Twp.-1530 27.0 µg/L
No 3
B
297 Beachwood Boro-1504 24.0 µg/L
No 0
B-
298 Egg Harbor City-0107 23.4 µg/L
No 1
A-
299 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.