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DISCOVERY ZONE LEARNING CNTR MARLBOROUGH

PWS ID: CT0791162 · COLUMBIA, Connecticut 06237

DISCOVERY ZONE LEARNING CNTR MARLBOROUGH serves 70 people in COLUMBIA, Connecticut using Groundwater water sources. It has 109 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DISCOVERY ZONE LEARNING CNTR MARLBOROUGH

DISCOVERY ZONE LEARNING CNTR MARLBOROUGH is a private-owned non-transient non-community water system that delivers drinking water to 70 residents in COLUMBIA, Connecticut (Hartford County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 101 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 9 violations (MR). 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. DISCOVERY ZONE LEARNING CNTR MARLBOROUGH's 109 violations sit above the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). 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
70
Total Violations
109
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Hartford
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
101
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2019
Revised Total Coliform Rule RPT 8 2020
Coliform (TCR) MR 4 1999
Barium MR 2 2017
Cadmium MR 2 2017
Chromium MR 2 2017
CYANIDE MR 2 2017
Fluoride MR 2 2017
Nickel MR 2 2017
Antimony, Total MR 2 2017
Thallium, Total MR 2 2017
Methoxychlor MR 2 2017
Toxaphene MR 2 2017
Atrazine MR 2 2017
Heptachlor MR 2 2017
Pentachlorophenol MR 2 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2017
ETHYLENE DIBROMIDE MR 2 2017
Chlordane MR 2 2017
Endrin MR 2 2017
Diquat MR 2 2017
Di(2-ethylhexyl) adipate MR 2 2017
OXAMYL MR 2 2017
Simazine MR 2 2017
Picloram MR 2 2017
Dinoseb MR 2 2017
Hexachlorocyclopentadiene MR 2 2017
Benzo(a)pyrene MR 2 2017
Mercury MR 2 2017
Aldicarb MR 2 2017

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 DISCOVERY ZONE LEARNING CNTR MARLBOROUGH.

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 CT0791162 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
2020 Revised Total Coliform Rule RPT 8 SDWIS / CT0791162 / 8000
2019 Lead and Copper Rule MR 9 SDWIS / CT0791162 / 5000
2017 Barium MR 2 SDWIS / CT0791162 / 1010
2017 Cadmium MR 2 SDWIS / CT0791162 / 1015
2017 Chromium MR 2 SDWIS / CT0791162 / 1020
2017 CYANIDE MR 2 SDWIS / CT0791162 / 1024
2017 Fluoride MR 2 SDWIS / CT0791162 / 1025
2017 Nickel MR 2 SDWIS / CT0791162 / 1036
2017 Antimony, Total MR 2 SDWIS / CT0791162 / 1074
2017 Thallium, Total MR 2 SDWIS / CT0791162 / 1085
2017 Methoxychlor MR 2 SDWIS / CT0791162 / 2015
2017 Toxaphene MR 2 SDWIS / CT0791162 / 2020
2017 Atrazine MR 2 SDWIS / CT0791162 / 2050
2017 Heptachlor MR 2 SDWIS / CT0791162 / 2065
2017 Pentachlorophenol MR 2 SDWIS / CT0791162 / 2326

How DISCOVERY ZONE LEARNING CNTR MARLBOROUGH Compares

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

Metric DISCOVERY ZONE LEARNING CNTR MARLBOROUGH Connecticut avg Federal benchmark
Total violations 109 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 70 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is DISCOVERY ZONE LEARNING CNTR MARLBOROUGH water safe to drink? ▼
DISCOVERY ZONE LEARNING CNTR MARLBOROUGH (PWS ID: CT0791162) has 109 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does DISCOVERY ZONE LEARNING CNTR MARLBOROUGH serve? ▼
DISCOVERY ZONE LEARNING CNTR MARLBOROUGH serves 70 people in COLUMBIA, Connecticut. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does DISCOVERY ZONE LEARNING CNTR MARLBOROUGH have? ▼
DISCOVERY ZONE LEARNING CNTR MARLBOROUGH has 109 total violations: 0 health-based violations (MCL exceedances or treatment failures), 101 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DISCOVERY ZONE LEARNING CNTR MARLBOROUGH water? ▼
No PFAS testing data is available for DISCOVERY ZONE LEARNING CNTR MARLBOROUGH under the EPA's UCMR5 monitoring program.
What water source does DISCOVERY ZONE LEARNING CNTR MARLBOROUGH use? ▼
DISCOVERY ZONE LEARNING CNTR MARLBOROUGH 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.

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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.

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