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Non-Transient Non-Community Water System · PWS CT0610502

Burr District Elementary School

Killingworth, Connecticut 06419 - drinking water served from groundwater sources to 364 people, tracked in EPA SDWIS and UCMR5.

364
People served
381
EPA violations
74
Health-based
Untested
UCMR5 result

The verdict

EPA records 381 drinking-water violations at Burr District Elementary School, 19% of them health-based - above the Connecticut per-system average.

381
Total EPA violations on record
19%
Health-based (MCL / treatment failure)
364
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Burr District Elementary School

Burr District Elementary School is a local-owned non-transient non-community water system that delivers drinking water to 364 residents in Killingworth, Connecticut (Middlesex County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 381 total violations for this system , of which 74 (19%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 305 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 61 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%).

Burr District Elementary School's 381 violations sit above the Connecticut average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
364
Total Violations
381
Health-Based Violations
74
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Middlesex
School/Daycare
Yes
MCL Violations
61
Monitoring Violations
305
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 61 2001
Lead and Copper Rule MR 26 2018
Coliform (TCR) MR 13 2000
Lead and Copper Rule TT 13 2011
BHC-GAMMA MR 6 2007
Methoxychlor MR 6 2007
Carbofuran MR 6 2007
Atrazine MR 6 2007
LASSO MR 6 2007
Heptachlor MR 6 2007
Heptachlor epoxide MR 6 2007
Pentachlorophenol MR 6 2007
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2007
Chlordane MR 6 2007
Diquat MR 6 2007
Simazine MR 6 2007
Picloram MR 6 2007
Hexachlorocyclopentadiene MR 6 2007
HEXACHLOROBENZENE MR 6 2007
Endrin MR 6 2007
Dalapon MR 6 2007
Glyphosate MR 6 2007
Di(2-ethylhexyl) adipate MR 6 2007
OXAMYL MR 6 2007
Di(2-ethylhexyl) phthalate MR 6 2007
Dinoseb MR 6 2007
Aldicarb sulfoxide MR 6 2007
Aldicarb sulfone MR 6 2007
Aldicarb MR 6 2007
2,4-D MR 6 2007

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Burr District Elementary School.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CT0610502 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find CT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2018 Lead and Copper Rule MR 26 SDWIS / CT0610502 / 5000
2011 Lead and Copper Rule TT 13 SDWIS / CT0610502 / 5000
2007 BHC-GAMMA MR 6 SDWIS / CT0610502 / 2010
2007 Methoxychlor MR 6 SDWIS / CT0610502 / 2015
2007 Carbofuran MR 6 SDWIS / CT0610502 / 2046
2007 Atrazine MR 6 SDWIS / CT0610502 / 2050
2007 LASSO MR 6 SDWIS / CT0610502 / 2051
2007 Heptachlor MR 6 SDWIS / CT0610502 / 2065
2007 Heptachlor epoxide MR 6 SDWIS / CT0610502 / 2067
2007 Pentachlorophenol MR 6 SDWIS / CT0610502 / 2326
2007 1,2-DIBROMO-3-CHLOROPROPANE MR 6 SDWIS / CT0610502 / 2931
2007 Chlordane MR 6 SDWIS / CT0610502 / 2959
2007 Diquat MR 6 SDWIS / CT0610502 / 2032
2007 Simazine MR 6 SDWIS / CT0610502 / 2037
2007 Picloram MR 6 SDWIS / CT0610502 / 2040

How Burr District Elementary School Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Burr District Elementary School Connecticut avg Federal benchmark
Total violations 381 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 74 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 364 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Burr District Elementary School water safe to drink? ▼
Burr District Elementary School (PWS ID: CT0610502) has 381 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 364 people using Groundwater sources.
How many people does Burr District Elementary School serve? ▼
Burr District Elementary School serves 364 people in Killingworth, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Burr District Elementary School have? ▼
Burr District Elementary School has 381 total violations: 74 health-based violations (MCL exceedances or treatment failures), 305 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Burr District Elementary School water? ▼
No PFAS testing data is available for Burr District Elementary School under the EPA's UCMR5 monitoring program.
What water source does Burr District Elementary School use? ▼
Burr District Elementary School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.