F0/100

ROSEBROOK WATER — Water Quality Report 2026

Serving 1,050 people · Connecticut

Water Source
Groundwater
County
System ID
NH0382010
Violations
61

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
2.95 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.048 mg/L0.015 mg/LOver Limit

EPA Violation History

5

Violations (last 5yr)

0

Unresolved

1

Health-Related

TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 11, 2022 – January 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 23, 2021 – March 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Consumer confidence report — late or incomplete delivery

When: September 30, 2021 – April 6, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

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: July 1, 2021 – October 1, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

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: July 1, 2021 – October 1, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

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 ROSEBROOK WATER

Is ROSEBROOK WATER water safe to drink?

ROSEBROOK WATER water receives a grade of F (0/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has ROSEBROOK WATER detected?

2 contaminants were tested in ROSEBROOK WATER's water. Notable contaminants include Lead (90th percentile), Copper (90th percentile). 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does ROSEBROOK WATER have any EPA violations?

Yes, ROSEBROOK WATER has 61 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, TT. 9 are health-based violations.

How many people does ROSEBROOK WATER serve?

ROSEBROOK WATER serves approximately 1,050 people, Connecticut. The system provides water to 1 community: Carroll.

What type of water does ROSEBROOK WATER provide?

ROSEBROOK WATER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NH0382010.

How does ROSEBROOK WATER compare to other utilities in Connecticut?

ROSEBROOK WATER scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Connecticut state page for a full comparison of water systems.

Cities Served