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Public water system · MD0030023

Active

Gramercy LLC (Aka Koinonia Partnership )

At a glance

Gramercy LLC (Aka Koinonia Partnership ) (PWSID MD0030023) is an active community water system in Baltimore County, Maryland. It reports serving 40 people through 11 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

40

Service connections

11

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMD0030023
System typeCommunity water system
Activity statusActive
Population served40
Service connections11
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyBaltimore County

How does Gramercy LLC (Aka Koinonia Partnership ) compare with other water systems in Baltimore County?

By EPA's size categories, Gramercy LLC (Aka Koinonia Partnership ) is a very small system (500 people or fewer). Baltimore County has 272 active public water systems. Its population served is well below the county average of 168 people per system, and accounts for less than 0.1% of the 45,805 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active community water system reports serving 6,703 people, so Gramercy LLC (Aka Koinonia Partnership ) is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.

Who owns and regulates Gramercy LLC (Aka Koinonia Partnership )?

EPA lists Gramercy LLC (Aka Koinonia Partnership ) as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 221 of the 272 active systems in Baltimore County (81%) are also privately owned.

Does Gramercy LLC (Aka Koinonia Partnership ) have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between December 2009 and October 2024. By type: 9 monitoring and reporting, 1 required treatment not met, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 10 as resolved and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2021-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoArchived
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
2015-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2013-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2011-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2009-12-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Gramercy LLC (Aka Koinonia Partnership ): frequently asked questions

Who runs Gramercy LLC (Aka Koinonia Partnership )?

Gramercy LLC (Aka Koinonia Partnership ) (PWSID MD0030023) is a community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Gramercy LLC (Aka Koinonia Partnership ) serve?

Gramercy LLC (Aka Koinonia Partnership ) reports serving 40 people through 11 service connections in Baltimore County, Maryland.

Where does Gramercy LLC (Aka Koinonia Partnership ) get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Gramercy LLC (Aka Koinonia Partnership ) have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Gramercy LLC (Aka Koinonia Partnership )'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.

Where can I find Gramercy LLC (Aka Koinonia Partnership )'s water quality report?

As a community water system, Gramercy LLC (Aka Koinonia Partnership ) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Baltimore County

Water systemCountyPopulation servedTypeSource
Manor Shopping CenterBaltimore2,921Non-transient non-communityPurchased surface water
Um Saint Joseph Medical CenterBaltimore1,515Non-transient non-communityPurchased surface water
Stevenson UniversityBaltimore1,313Non-transient non-communityGroundwater
Hereford High SchoolBaltimore1,300Non-transient non-communityGroundwater
Fork Christian ChurchBaltimore1,245Transient non-communityGroundwater
Hereford Middle SchoolBaltimore1,050Non-transient non-communityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Gramercy LLC (Aka Koinonia Partnership ), PWSID MD0030023, Maryland”, https://aquacensus.com/water-systems/maryland/gramercy-llc-aka-koinonia-partnership-md0030023 (data as of October 1, 2026).