C41/100
SPRAGUE WATER & SEWER AUTHORITY — Water Quality Report 2026
Serving 1,058 people · Connecticut
Water Source
Groundwater
County
—
System ID
CT1330021
Violations
59
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: August 10, 2025 – August 27, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – August 27, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2024 – January 28, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: August 10, 2023 – September 6, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – September 6, 2023Enforcement: 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 SPRAGUE WATER & SEWER AUTHORITY
Is SPRAGUE WATER & SEWER AUTHORITY water safe to drink?
SPRAGUE WATER & SEWER AUTHORITY water receives a grade of C (41/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 59 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SPRAGUE WATER & SEWER AUTHORITY detected?
1 contaminants were tested in SPRAGUE WATER & SEWER AUTHORITY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SPRAGUE WATER & SEWER AUTHORITY have any EPA violations?
Yes, SPRAGUE WATER & SEWER AUTHORITY has 59 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does SPRAGUE WATER & SEWER AUTHORITY serve?
SPRAGUE WATER & SEWER AUTHORITY serves approximately 1,058 people, Connecticut. The system provides water to 1 community: Sprague.
What type of water does SPRAGUE WATER & SEWER AUTHORITY provide?
SPRAGUE WATER & SEWER AUTHORITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CT1330021.
How does SPRAGUE WATER & SEWER AUTHORITY compare to other utilities in Connecticut?
SPRAGUE WATER & SEWER AUTHORITY scores 41/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Connecticut state page for a full comparison of water systems.