Water Quality: Tolland, CT

11 water systems • 2,130 people served

Multiple Health Violations
325
Total Violations
27
Health-Based Violations
11
Water Systems
2,130
Population Served

Water Quality Summary

Tolland is served by 11 public water systems with a combined service population of 2,130 people, and has 325 EPA Safe Drinking Water Act violations on record. Critically, 27 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Tolland's violation count is 29% above the national average for Connecticut. Contaminants associated with violations include Chlorine Dioxide, Disinfection Byproducts, E. coli, Endrin, Fecal Coliform.

Contaminants Found

Chlorine Dioxide

Can cause anemia in infants and young children; may cause nervous system effects at high levels.

Common source: Water treatment disinfectant used to control taste, odor, and microorganisms

EPA limit: 0.8 mg/L

Disinfection Byproducts

Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.

Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter

E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Endrin
Fecal Coliform

Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.

Common source: Human and animal fecal waste

EPA limit: Zero tolerance (any positive triggers violations)

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

Water Systems Serving Tolland

System Name PWSID Source Population Violations
TOLLAND WATER DEPARTMENT CT1423011 Groundwater 1,251 2
WOODLAND SUMMIT COMMUNITY WATER ASSN CT1420041 Groundwater 216 17
TOLLAND WATER DEPT - TORRY ROAD CT1429191 Surface Water 204 15
BAXTER FARMS COMMUNITY WATER ASSOC CT1420021 Groundwater 175 4
890 BOSTON TURNPIKE CT0121081 Groundwater 60 213
EASTVIEW KOZLEY WATER ASSOCIATION CT1420081 Groundwater 60 23
SAFE HARBOR, INC. CT1548011 Groundwater 50 15
HIGH MEADOW CT0614021 Groundwater 38 11
HOP RIVER HOMES CT0012011 Groundwater 26 7
DARTMOUTH VILLAGE ELDERLY HOUSING CT0309051 Groundwater 25 12
VILLAGE AT CRYSTAL SPRINGS CT1429171 Groundwater 25 6

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Other Cities in Connecticut

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for CT