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HOLDEN ARBORETUM

PWS ID: OH4337419 · KIRTLAND, Ohio 44094

HOLDEN ARBORETUM serves 398 people in KIRTLAND, Ohio using Groundwater water sources. It has 318 recorded EPA violations, including 31 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HOLDEN ARBORETUM

HOLDEN ARBORETUM is a private-owned non-transient non-community water system that delivers drinking water to 398 residents in KIRTLAND, Ohio (Lake County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 318 total violations for this system , of which 31 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 283 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 31 violations (TT, 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 Ohio, EPA tracks 4,181 public water systems serving 11,085,226 people, with 288,388 cumulative violations and 52,412 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. HOLDEN ARBORETUM's 318 violations sit above the Ohio average. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%). 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
398
Total Violations
318
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
5
County
Lake
School/Daycare
No
MCL Violations
0
Monitoring Violations
283
Treatment Tech Violations
31

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule TT 31 2025
Total Haloacetic Acids (HAA5) MR 14 2016
TTHM MR 14 2016
Lead and Copper Rule MR 13 2025
Thallium, Total MR 11 2011
Arsenic MR 11 2011
CYANIDE MR 11 2011
Fluoride MR 11 2011
Chromium MR 11 2011
Barium MR 11 2011
Beryllium, Total MR 11 2011
Mercury MR 11 2011
Nickel MR 11 2011
Selenium MR 11 2011
Cadmium MR 11 2011
Antimony, Total MR 11 2011
Coliform (TCR) MR 10 2013
Nitrate MR 8 2003
Nitrite MR 4 1993
Asbestos MR 4 1993
1,1,1-Trichloroethane MR 4 2003
1,2-Dichloropropane MR 4 2003
CHLOROBENZENE MR 4 2003
Benzene MR 4 2003
1,2-Dichloroethane MR 4 2003
Tetrachloroethylene MR 4 2003
1,1-Dichloroethylene MR 4 2003
Styrene MR 4 2003
trans-1,2-Dichloroethylene MR 4 2003
o-Dichlorobenzene MR 4 2003

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 HOLDEN ARBORETUM.

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 OH4337419 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Ohio Drinking Water Authority

Ohio EPA — Division of Drinking and Ground Waters is the primacy agency that licenses and inspects HOLDEN ARBORETUM under EPA-delegated authority.

Open OH regulator portal

Source: Ohio EPA — Division of Drinking and Ground Waters

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
2025 Lead and Copper Rule TT 31 SDWIS / OH4337419 / 5000
2025 Lead and Copper Rule MR 13 SDWIS / OH4337419 / 5000
2025 Public Notice Other 1 SDWIS / OH4337419 / 7500
2016 Total Haloacetic Acids (HAA5) MR 14 SDWIS / OH4337419 / 2456
2016 TTHM MR 14 SDWIS / OH4337419 / 2950
2013 Coliform (TCR) MR 10 SDWIS / OH4337419 / 3100
2011 Thallium, Total MR 11 SDWIS / OH4337419 / 1085
2011 Arsenic MR 11 SDWIS / OH4337419 / 1005
2011 CYANIDE MR 11 SDWIS / OH4337419 / 1024
2011 Fluoride MR 11 SDWIS / OH4337419 / 1025
2011 Chromium MR 11 SDWIS / OH4337419 / 1020
2011 Barium MR 11 SDWIS / OH4337419 / 1010
2011 Beryllium, Total MR 11 SDWIS / OH4337419 / 1075
2011 Mercury MR 11 SDWIS / OH4337419 / 1035
2011 Nickel MR 11 SDWIS / OH4337419 / 1036

How HOLDEN ARBORETUM Compares

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

Metric HOLDEN ARBORETUM Ohio avg Federal benchmark
Total violations 318 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 31 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 398 2,651 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,181 regulated public water systems in Ohio.

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 HOLDEN ARBORETUM water safe to drink? ▼
HOLDEN ARBORETUM (PWS ID: OH4337419) has 318 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 398 people using Groundwater sources.
How many people does HOLDEN ARBORETUM serve? ▼
HOLDEN ARBORETUM serves 398 people in KIRTLAND, Ohio. It is a Private-owned system using Groundwater water sources with 5 service connections.
What type of violations does HOLDEN ARBORETUM have? ▼
HOLDEN ARBORETUM has 318 total violations: 31 health-based violations (MCL exceedances or treatment failures), 283 monitoring/reporting violations, and 31 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HOLDEN ARBORETUM water? ▼
No PFAS testing data is available for HOLDEN ARBORETUM under the EPA's UCMR5 monitoring program.
What water source does HOLDEN ARBORETUM use? ▼
HOLDEN ARBORETUM 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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