B63/100
Colts Neck Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 382,308 residents · New Jersey
What's In Colts Neck's Tap Water?
76
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 260.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – June 30, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
US NAVAL WEAPONS STATION
Population Served
1,200
Water Source
Purchased Surface Water
System ID
NJ1309001
NJ AMERICAN WATER - COASTAL NORTH
Population Served
377,613
Water Source
Surface Water
System ID
NJ1345001
NJ AMERICAN WATER - NEW EGYPT
Population Served
3,495
Water Source
Groundwater
System ID
NJ1523003
Frequently Asked Questions About Colts Neck Water
Is Colts Neck tap water safe to drink?
Colts Neck, New Jersey tap water receives a grade of B (63/100), which is considered good. Out of 76 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Colts Neck's water?
Of the 76 contaminants tested in Colts Neck's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Colts Neck have any water quality violations?
Yes, Colts Neck has 70 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, TT, MCL. 8 of these are health-based violations, which are the most serious category.
Do I need a water filter in Colts Neck?
Colts Neck water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Colts Neck's tap water come from?
Colts Neck's drinking water is sourced from purchased surface water and supplied by US NAVAL WEAPONS STATION and 2 other water system(s). The system serves approximately 382,308 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Colts Neck's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Colts Neck's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Colts Neck's water compare to other cities in New Jersey?
Colts Neck's water quality score of 63/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our New Jersey state page to see how all cities in the state compare.
What should I do if I'm concerned about Colts Neck's water quality?
If you have concerns about Colts Neck's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (US NAVAL WEAPONS STATION) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.