F0/100
LAWRENCEVILLE SCHOOL — Water Quality Report 2026
Serving 1,200 people · New Jersey
Water Source
Groundwater
County
—
System ID
NJ1107001
Violations
145
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 4.31 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
3
Violations (last 5yr)
3
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 11, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – January 31, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – March 31, 2025Rule: Stage 1 DBPREnforcement: 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
Frequently Asked Questions About LAWRENCEVILLE SCHOOL
Is LAWRENCEVILLE SCHOOL water safe to drink?
LAWRENCEVILLE SCHOOL water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 145 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAWRENCEVILLE SCHOOL detected?
2 contaminants were tested in LAWRENCEVILLE SCHOOL's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does LAWRENCEVILLE SCHOOL have any EPA violations?
Yes, LAWRENCEVILLE SCHOOL has 145 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MON, MR. 1 are health-based violations.
How many people does LAWRENCEVILLE SCHOOL serve?
LAWRENCEVILLE SCHOOL serves approximately 1,200 people, New Jersey. The system provides water to 1 community: Lawrence Twp.-1107.
What type of water does LAWRENCEVILLE SCHOOL provide?
LAWRENCEVILLE SCHOOL sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NJ1107001.
How does LAWRENCEVILLE SCHOOL compare to other utilities in New Jersey?
LAWRENCEVILLE SCHOOL scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New Jersey state page for a full comparison of water systems.