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Public water system · NY2013042

Active

Twin Coves on Indian Lake

At a glance

Twin Coves on Indian Lake (PWSID NY2013042) is an active transient non-community water system in Hamilton County, New York. It reports serving 27 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025.

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

Population served

27

Service connections

10

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY2013042
System typeTransient non-community water system
Activity statusActive
Population served27
Service connections10
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedIndian Lake (T)
StateNew York
ZIP—
CountyHamilton County

How does Twin Coves on Indian Lake compare with other water systems in Hamilton County?

By EPA's size categories, Twin Coves on Indian Lake is a very small system (500 people or fewer). Hamilton County has 84 active public water systems. Its population served is well below the county average of 171 people per system, and accounts for 0.2% of the 14,324 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Twin Coves on Indian Lake is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.

Who owns and regulates Twin Coves on Indian Lake?

EPA lists Twin Coves on Indian Lake as privately owned. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 62 of the 84 active systems in Hamilton County (74%) are also privately owned.

Does Twin Coves on Indian Lake have drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 1998 and January 2025. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as resolved and 1 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
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2012-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1998-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 5 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.

Twin Coves on Indian Lake: frequently asked questions

Who runs Twin Coves on Indian Lake?

Twin Coves on Indian Lake (PWSID NY2013042) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Twin Coves on Indian Lake serve?

Twin Coves on Indian Lake reports serving 27 people through 10 service connections in Hamilton County, New York.

Where does Twin Coves on Indian Lake 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 Twin Coves on Indian Lake have any drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025. 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 Twin Coves on Indian Lake'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. EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Twin Coves on Indian Lake's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Twin Coves on Indian Lake is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Hamilton County

Water systemCountyPopulation servedTypeSource
Speculator VHamilton2,008CommunityGroundwater
Nys-Sacandaga CampsiteHamilton1,350Transient non-communityGroundwater
Moffitt Beach SpcHamilton900Transient non-communityGroundwater
Indian Lake WdHamilton900CommunityGroundwater
Lewey Lake SpcHamilton836Transient non-communityGroundwater
Long Lake WdHamilton800CommunitySurface water

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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, “Twin Coves on Indian Lake, PWSID NY2013042, New York”, https://aquacensus.com/water-systems/new-york/twin-coves-on-indian-lake-ny2013042 (data as of October 1, 2026).