PlainWater
Counties → Connecticut

Tolland County, Connecticut

Water Systems
293
Population Served
59,720
Total Violations
17,053
1,935 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

91.8%
Systems with Violations
58.2
Avg Violations per System
11.3%
Health-Based Violations

Water Source Types

GW
45 systems (15%)
SW
5 systems (2%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Tolland Connecticut water systems by violation status, EPA SDWIS records.

No violations on record (3) One or more violations (47)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
University of Connecticut - Main Campus 27,199 66 Detected
Ctwc - Hebron Center Division 1,927 2 -
Coventry High & Nathan Hale Schools 1,252 18 -
Tolland Water Department 1,251 19 -
Ctwc - Amston Lake Division 910 304 -
Horace Porter School 797 100 -
Bolton Center School (K-8) 756 59 -
Ctwc - Uconn South Eagleville Div. 750 0 -
Mansfield Middle School 715 38 -
Ctwc - Coventry Hills Div 700 27 Clean
Mansfield Elementary School 688 30 -
George Hersey Robertson School 573 9 -
Coventry Grammar School 558 100 -
Ctwc - South Coventry System 501 232 -
Woodhaven Apartments 489 78 -
Ctwc - Northern Region-Lakeview Terrace 472 12 -
Hebron Elementary School 450 21 -
Vernon Village Inc. 430 31 -
Stafford Hollow Water Association 429 43 -
Gilead Hill School 391 9 -
Andover Elementary School 381 71 -
Hazardville - Rye Hill System 352 4 -
Willington Senior Center & Housing 327 9 -
Knollwood Apartments 312 108 -
Ctwc - General Water Division 306 22 -
Bolton High School 304 81 -
Justice Education Center Camp Inspire 300 69 -
Walden Apartments 276 167 -
Crystal Lake School 275 60 -
Ctwc - Northern Region-Lakewood 256 143 -
Johnson Memorial Hospital, Inc 250 172 -
Ctwc - Uconn Hunting Lodge Div. 234 0 -
Ctwc - Pilgrim Hills Division 229 23 -
Ctwc - London Park Division 221 29 -
Mansfield Library Buchanan Center 217 6 -
Woodland Summit Community Water Assn 216 58 -
Ivy Woods 207 151 -
Tolland Water Dept - Torry Road 204 16 -
1657 Boston Turnpike - Coventry 203 81 -
Fed Ex Ground 200 111 -
Carriage House Apartments 196 97 -
Cornerstone of Columbia 193 0 -
Ctwc - Northern Reg-Llynwood System 192 148 -
White Oak Condominiums 192 51 -
Renwood Apartments 190 144 -
Discovery Zone Learning Cntr Columbia 189 29 -
Ctwc - Riversedge Division 179 25 -
Orchard Acres Association 176 61 -
Baxter Farms Community Water Assoc 175 31 -
Ctwc - Crystal Springs Div. 169 9 -

Other Counties in Connecticut

Hartford County
219 systems · 836,032 served · 20,244 violations
Fairfield County
336 systems · 779,265 served · 42,084 violations
New Haven County
212 systems · 723,250 served · 17,543 violations
New London County
396 systems · 209,068 served · 34,737 violations
Litchfield County
345 systems · 117,396 served · 27,780 violations
Middlesex County
276 systems · 97,390 served · 25,593 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Tolland County? ▼
Tolland County has 17,053 total drinking water violations across 293 water systems, of which 1,935 are health-based violations. 91.8% of systems have at least one violation.
How many people get water from Tolland County systems? ▼
Water systems in Tolland County serve approximately 59,720 people through 293 public water systems.
Has PFAS been detected in Tolland County water? ▼
Of 2 water systems tested for PFAS in Tolland County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Tolland County? ▼
Water systems in Tolland County use GW (45 systems), SW (5 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 11.3% of Tolland County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.