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Transient Non-Community Water System · PWS MD1030061

Hillendale Country Club

Phoenix, Maryland 21212 - drinking water served from groundwater sources to 315 people, tracked in EPA SDWIS and UCMR5.

315
People served
112
EPA violations
37
Health-based
Untested
UCMR5 result

The verdict

EPA records 112 drinking-water violations at Hillendale Country Club, 33% of them health-based - above the Maryland per-system average.

112
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
315
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hillendale Country Club

Hillendale Country Club is a private-owned transient non-community water system that delivers drinking water to 315 residents in Phoenix, Maryland (Baltimore County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 112 total violations for this system , of which 37 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 63 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 Maryland, EPA tracks 3,215 public water systems serving 6,070,211 people, with 60,496 cumulative violations and 18,132 health-based violations on record. About 80% of systems in the state carry at least one violation, and state-wide the average per system is 18.8 violations. Statewide, 50 of 83 UCMR5-tested systems have reported PFAS detections (60.2%).

Hillendale Country Club's 112 violations sit above the Maryland 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
315
Total Violations
112
Health-Based Violations
37
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
4
County
Baltimore
School/Daycare
No
MCL Violations
15
Monitoring Violations
75
Treatment Tech Violations
22

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 63 2018
Lead and Copper Rule TT 22 2013
Coliform (TCR) MCL 15 2012
Revised Total Coliform Rule MON 6 2024
Coliform (TCR) MR 4 1993
Nitrate MR 2 2016

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 Hillendale Country Club.

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 MD1030061 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maryland Drinking Water Authority

Maryland'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 MD 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
2024 Revised Total Coliform Rule MON 6 SDWIS / MD1030061 / 8000
2018 Lead and Copper Rule MR 63 SDWIS / MD1030061 / 5000
2016 Nitrate MR 2 SDWIS / MD1030061 / 1040
2013 Lead and Copper Rule TT 22 SDWIS / MD1030061 / 5000
2012 Coliform (TCR) MCL 15 SDWIS / MD1030061 / 3100
1993 Coliform (TCR) MR 4 SDWIS / MD1030061 / 3100

How Hillendale Country Club Compares

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

Metric Hillendale Country Club Maryland avg Federal benchmark
Total violations 112 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 37 5.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 315 1,888 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,215 regulated public water systems in Maryland.

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 Hillendale Country Club water safe to drink? ▼
Hillendale Country Club (PWS ID: MD1030061) has 112 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 315 people using Groundwater sources.
How many people does Hillendale Country Club serve? ▼
Hillendale Country Club serves 315 people in Phoenix, Maryland. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Hillendale Country Club have? ▼
Hillendale Country Club has 112 total violations: 37 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 22 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hillendale Country Club water? ▼
No PFAS testing data is available for Hillendale Country Club under the EPA's UCMR5 monitoring program.
What water source does Hillendale Country Club use? ▼
Hillendale Country Club uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.