Water Quality in Colts Neck, NJ (07731)
EPA violation data for public water systems serving ZIP code 07731.
Active Health Violations
4 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 96% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
40,322
Population
118
Water Systems
103
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (118)
Nj American Water - Coastal North
All resolved Surface water 377,613 people served
1 violation (5yr)
· All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Monmouth County Park System
Groundwater 2,021 people served
5 violations (5yr)
Howell Twp Mua Yellowbk
Groundwater 1,500 people served
0 violations
Manasquan Reservoir Visitor Center
1 health-based Groundwater 1,008 people served
3 violations (5yr)
· 1 health-based
Land O Pines School
Groundwater 775 people served
0 violations
Edith M Griebling Elementary S
Groundwater 750 people served
0 violations
Pine Grove Camp
Groundwater 750 people served
0 violations
Aldrich Elementary School
Groundwater 725 people served
0 violations
Wuop Corp
Groundwater 725 people served
0 violations
Edith Griebling
Groundwater 675 people served
0 violations
Church Of St. William The Abbot
1 health-based Groundwater 650 people served
25 violations (5yr)
· 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓ Copper tested: 1760 ppb (limit: 1300 ppb)
Land O'Pines School
Groundwater 624 people served
0 violations
Ramtown Elementary School
Groundwater 578 people served
0 violations
Mcdonalds Restaurant
Groundwater 568 people served
0 violations
Regent Diner
Groundwater 521 people served
0 violations
Turkey Swamp Park-Oak Point Restoom
Groundwater 511 people served
0 violations
Ardena Elementary School
Groundwater 497 people served
0 violations
Charleston Springs Golf Course
Groundwater 465 people served
1 violation (5yr)
Jewish Community Center
Groundwater 461 people served
0 violations
Evergreen Estates
Groundwater 450 people served
6 violations (5yr)
Lead tested: 8.3 ppb (limit: 15 ppb) ✓
Southard Elementary Scho
Groundwater 450 people served
0 violations
Ocean Academy Charter School
Groundwater 400 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Howell Twp Building & Grounds
Groundwater 350 people served
1 violation (5yr)
Newbury Elementary School
Groundwater 333 people served
0 violations
Emmanuel Bible Church
Groundwater 307 people served
3 violations (5yr)
Big Brook Park
Groundwater 305 people served
5 violations (5yr)
Open Door Bible Church
All resolved Groundwater 302 people served
3 violations (5yr)
· All resolved
Walnford Park Wagon Barn -Bldg. 1710
Groundwater 302 people served
0 violations
Howell Twp Municipal Com
Groundwater 300 people served
0 violations
Nomoco Activity- Turkey Sw-Pool-Bldg 333
1 health-based Groundwater 291 people served
4 violations (5yr)
· 1 health-based · All resolved
Hominy Hill Golf Clubhouse Bldg
Groundwater 271 people served
0 violations
Howell Golf Course-Bldg
Groundwater 256 people served
0 violations
Road House Inn
Groundwater 250 people served
0 violations
Rainbow World Preschool
Groundwater 225 people served
0 violations
234 Alexander Drive
All resolved Groundwater 225 people served
8 violations (5yr)
· All resolved
Howell Lanes
Groundwater 214 people served
0 violations
Oak Glen Park
Groundwater 202 people served
0 violations
John Puglisi
Groundwater 200 people served
0 violations
Old West Bar And Restaur
Groundwater 200 people served
0 violations
Yeshivas Emek Hatorah
All resolved Groundwater 195 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Unfi (United Natural Foods)
1 health-based Groundwater 190 people served
2 violations (5yr)
· 1 health-based
Winding Brook Mhp System 2
Groundwater 184 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Central Jersey Bmx Track
Groundwater 156 people served
0 violations
Howell Residential Court
Groundwater 140 people served
0 violations
Bais Leah
All resolved Groundwater 130 people served
1 violation (5yr)
· All resolved
Home Smart Plaza Llc
Groundwater 122 people served
0 violations
Lead tested: 2.2 ppb (limit: 15 ppb) ✓
Green Acres Manor
Groundwater 119 people served
0 violations
Ivy League Restuarant
Groundwater 115 people served
0 violations
Bobs Deli And Grill
Groundwater 112 people served
0 violations
Turkey Swamp Park-Bldg 301
Groundwater 111 people served
1 violation (5yr)
Manasquan Reservoir Environmental Center
Groundwater 108 people served
0 violations
Monmouth County Fire Aca
Groundwater 107 people served
2 violations (5yr)
Howell First Aid & Rescue
Groundwater 105 people served
0 violations
Ice Cream On 9
Groundwater 103 people served
0 violations
Lucky'S Convenient
Groundwater 102 people served
0 violations
Community Bible Fellowship Chu
Groundwater 102 people served
0 violations
Super Save Food Market
Groundwater 102 people served
0 violations
Echo Lake Recreation Center
Groundwater 101 people served
0 violations
Sizzler Steak House
Groundwater 100 people served
0 violations
Howell Flea Market
Groundwater 100 people served
0 violations
Woody'S Place
Groundwater 100 people served
0 violations
Regency Motel
Groundwater 100 people served
0 violations
Turkey Swamp Park-Bldg 305
All resolved Groundwater 86 people served
4 violations (5yr)
· All resolved
Oak Glenn Plaza 2
Groundwater 85 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Oak Glen Plaza
Groundwater 85 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Tyler Plaza
Groundwater 83 people served
0 violations
Winding Brook Mhp Sys 1
Groundwater 80 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
Freehold Lumber #2
Groundwater 76 people served
0 violations
Autumn Lake Healthcare
All resolved Groundwater 75 people served
11 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Lil Lennis Deli
Groundwater 75 people served
0 violations
Ardmore Plaza/Freehold Lumber
Groundwater 75 people served
0 violations
Zzzleader Ny Camp Llc
All resolved Groundwater 75 people served
8 violations (5yr)
· All resolved
Bais Leah Well # 2
All resolved Groundwater 65 people served
1 violation (5yr)
· All resolved
Bella Rosa Riding Academy Barn Well 2
All resolved Groundwater 62 people served
3 violations (5yr)
· All resolved
Universal Imported Foods
Groundwater 62 people served
0 violations
Manalapan Sr Ctr/Freehl Soil C
Groundwater 60 people served
0 violations
Bella Rosa Riding Academy Office Well 1
Groundwater 56 people served
0 violations
4201 Highway 9n Llc
Groundwater 55 people served
0 violations
Echo Lake Park
Groundwater 50 people served
0 violations
Milk-N-More Inc
Groundwater 50 people served
0 violations
Bagels & Stuff
Groundwater 50 people served
0 violations
Howell Haven
Groundwater 43 people served
0 violations
Manalapan Twp Community
Groundwater 42 people served
0 violations
At 9 Motel
All resolved Groundwater 38 people served
2 violations (5yr)
· All resolved
Icc Head Start
Groundwater 36 people served
0 violations
Bicycle World Bmx Track
Groundwater 35 people served
0 violations
55 Progress Place Llc
All resolved Groundwater 35 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
1 Industrial Ct
Groundwater 35 people served
0 violations
Suburban Building Products
Groundwater 32 people served
0 violations
Howell Complex
Groundwater 30 people served
0 violations
Capri Motel
Groundwater 27 people served
0 violations
Lackland Brothers
Groundwater 25 people served
0 violations
Howell Professional Cntr
Groundwater 25 people served
0 violations
Ms.Patricia Hewit
Groundwater 25 people served
0 violations
Lakewood Maennerchor Inc
Groundwater 25 people served
0 violations
Woodland Professional Ce
Groundwater 25 people served
0 violations
Howell Elks #2515
Groundwater 25 people served
0 violations
Loens Cinema Centre 4
Groundwater 25 people served
0 violations
Krauszers Dairy No 64
Groundwater 25 people served
0 violations
Howell Twp Mem Vfw#
Groundwater 25 people served
0 violations
Howell Twp Court House
Groundwater 25 people served
0 violations
R & N Auto/Truck Repair/Wicks
Groundwater 25 people served
0 violations
Oak Hill Farms
Groundwater 25 people served
0 violations
Fast Forward Freight Co
Groundwater 25 people served
0 violations
Howell Twp Board Of Educ
Groundwater 25 people served
0 violations
Sunny'S Food Market
Groundwater 25 people served
0 violations
Happy Family Restaurant
Groundwater 25 people served
0 violations
Southard Fire House
Groundwater 25 people served
0 violations
Lakewood Funeral Home
Groundwater 25 people served
0 violations
Howell Office Plaza
Groundwater 25 people served
0 violations
Adelphia Fire Co.
Groundwater 25 people served
0 violations
Squankum Methodist Church
Groundwater 25 people served
0 violations
Grebow Shopping Plaza
Groundwater 25 people served
0 violations
A-Mart
Groundwater 25 people served
0 violations
Kobe Restaurant
Groundwater 25 people served
0 violations
Freewood Acres Fire Co.
Groundwater 25 people served
0 violations
Howell Head Start Center
Groundwater 19 people served
0 violations
Ft Plains Ctr/Deli Dairy
Groundwater 3 people served
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
58 violations
Has active
Lead and Copper RuleHealth-Based
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
10 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
5 violations
All resolved
E. COLIMonitoring
4 violations
Has active
TolueneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
ArsenicMonitoring
A naturally occurring element that can cause cancer and other health effects at high levels.
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
1 violation
All resolved
NitriteMonitoring
Similar to nitrate — harmful to infants at high levels.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit2 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
Copper (Cu)
Exceeds limit1760 ppb measured
Action level: 1300 ppb
Sampled: Jan 2024
How Does This Compare?
Colts Neck (07731) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 103.
Fewer violations 96th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.