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Non-Transient Non-Community Water System · PWS MA2054051

Karl Storz Endovision, Inc.

Charlton, Massachusetts 01507 - drinking water served from groundwater sources to 550 people, tracked in EPA SDWIS and UCMR5.

550
People served
148
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 148 drinking-water violations at Karl Storz Endovision, Inc., 7% of them health-based - above the Massachusetts per-system average.

148
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
550
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Karl Storz Endovision, Inc.

Karl Storz Endovision, Inc. is a private-owned non-transient non-community water system that delivers drinking water to 550 residents in Charlton, Massachusetts (Worcester County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 148 total violations for this system , of which 10 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 131 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 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 Massachusetts, EPA tracks 1,599 public water systems serving 10,332,845 people, with 73,886 cumulative violations and 7,389 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 46.2 violations. Statewide, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Karl Storz Endovision, Inc.'s 148 violations sit above the Massachusetts 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
550
Total Violations
148
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Worcester
School/Daycare
No
MCL Violations
6
Monitoring Violations
131
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2021
Coliform (TCR) MR 6 2007
Coliform (TCR) MCL 6 2013
cis-1,2-Dichloroethylene MR 4 2007
Xylenes, Total MR 4 2007
DICHLOROMETHANE MR 4 2007
Vinyl chloride MR 4 2007
1,1,1-Trichloroethane MR 4 2007
Trichloroethylene MR 4 2007
1,1,2-Trichloroethane MR 4 2007
Tetrachloroethylene MR 4 2007
CHLOROBENZENE MR 4 2007
Benzene MR 4 2007
Toluene MR 4 2007
Styrene MR 4 2007
Nitrate MR 4 2006
Carbon tetrachloride MR 4 2007
o-Dichlorobenzene MR 4 2007
1,2-Dichloroethane MR 4 2007
Ethylbenzene MR 4 2007
1,1-Dichloroethylene MR 4 2007
trans-1,2-Dichloroethylene MR 4 2007
1,2-Dichloropropane MR 4 2007
1,2,4-Trichlorobenzene MR 4 2007
p-Dichlorobenzene MR 4 2007
Nitrite MR 3 2006
Lead and Copper Rule TT 3 2023
Cadmium MR 2 2006
CYANIDE MR 2 2006
Mercury MR 2 2006

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 Karl Storz Endovision, Inc..

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 MA2054051 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Massachusetts Drinking Water Authority

MassDEP, Drinking Water Program is the primacy agency that licenses and inspects Karl Storz Endovision, Inc. under EPA-delegated authority.

Open MA regulator portal

Source: MassDEP, Drinking Water Program

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
2023 Lead and Copper Rule TT 3 SDWIS / MA2054051 / 5000
2021 Lead and Copper Rule MR 10 SDWIS / MA2054051 / 5000
2019 Public Notice Other 2 SDWIS / MA2054051 / 7500
2018 Revised Total Coliform Rule RPT 1 SDWIS / MA2054051 / 8000
2018 Revised Total Coliform Rule TT 1 SDWIS / MA2054051 / 8000
2013 Coliform (TCR) MCL 6 SDWIS / MA2054051 / 3100
2007 Coliform (TCR) MR 6 SDWIS / MA2054051 / 3100
2007 cis-1,2-Dichloroethylene MR 4 SDWIS / MA2054051 / 2380
2007 Xylenes, Total MR 4 SDWIS / MA2054051 / 2955
2007 DICHLOROMETHANE MR 4 SDWIS / MA2054051 / 2964
2007 Vinyl chloride MR 4 SDWIS / MA2054051 / 2976
2007 1,1,1-Trichloroethane MR 4 SDWIS / MA2054051 / 2981
2007 Trichloroethylene MR 4 SDWIS / MA2054051 / 2984
2007 1,1,2-Trichloroethane MR 4 SDWIS / MA2054051 / 2985
2007 Tetrachloroethylene MR 4 SDWIS / MA2054051 / 2987

How Karl Storz Endovision, Inc. Compares

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

Metric Karl Storz Endovision, Inc. Massachusetts avg Federal benchmark
Total violations 148 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 550 6,462 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,599 regulated public water systems in Massachusetts.

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 Karl Storz Endovision, Inc. water safe to drink? ▼
Karl Storz Endovision, Inc. (PWS ID: MA2054051) has 148 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 550 people using Groundwater sources.
How many people does Karl Storz Endovision, Inc. serve? ▼
Karl Storz Endovision, Inc. serves 550 people in Charlton, Massachusetts. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Karl Storz Endovision, Inc. have? ▼
Karl Storz Endovision, Inc. has 148 total violations: 10 health-based violations (MCL exceedances or treatment failures), 131 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Karl Storz Endovision, Inc. water? ▼
No PFAS testing data is available for Karl Storz Endovision, Inc. under the EPA's UCMR5 monitoring program.
What water source does Karl Storz Endovision, Inc. use? ▼
Karl Storz Endovision, Inc. 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.