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Public water system · IN5245054

Active

Noble Oaks Subdivision Water Association

At a glance

Noble Oaks Subdivision Water Association (PWSID IN5245054) is an active community water system in Lake County, Indiana. It reports serving 70 people through 28 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, none is health-based, and the most recent began in April 2018.

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

Population served

70

Service connections

28

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5245054
System typeCommunity water system
Activity statusActive
Population served70
Service connections28
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedCedar Lake
StateIndiana
ZIP—
CountyLake County

How does Noble Oaks Subdivision Water Association compare with other water systems in Lake County?

By EPA's size categories, Noble Oaks Subdivision Water Association is a very small system (500 people or fewer). Lake County has 110 active public water systems. Its population served is well below the county average of 4,845 people per system, and accounts for less than 0.1% of the 532,973 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Noble Oaks Subdivision Water Association 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Noble Oaks Subdivision Water Association?

EPA lists Noble Oaks Subdivision Water Association as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 86 of the 110 active systems in Lake County (78%) are also privately owned.

Does Noble Oaks Subdivision Water Association have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2018. The violations listed here began between January 2015 and April 2018. By type: 12 monitoring and reporting. The contaminants or rules involved are Gross alpha (excluding radon and uranium), Endrin, Pentachlorophenol and Picloram. EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2018-04-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Pentachlorophenolcode 2326NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dibromo-3-chloropropane (DBCP)code 2931NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved

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.

Noble Oaks Subdivision Water Association: frequently asked questions

Who runs Noble Oaks Subdivision Water Association?

Noble Oaks Subdivision Water Association (PWSID IN5245054) is a community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Noble Oaks Subdivision Water Association serve?

Noble Oaks Subdivision Water Association reports serving 70 people through 28 service connections in Lake County, Indiana.

Where does Noble Oaks Subdivision Water Association 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 Noble Oaks Subdivision Water Association have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2018. 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 Noble Oaks Subdivision Water Association'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, none is health-based, and the most recent began in April 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Noble Oaks Subdivision Water Association's water quality report?

As a community water system, Noble Oaks Subdivision Water Association 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 Lake County

Water systemCountyPopulation servedTypeSource
Indiana American Water - NorthwestLake210,510CommunitySurface water
Hammond Water Works DepartmentLake78,384CommunitySurface water
Schererville Water DepartmentLake30,000CommunityPurchased surface water
Crown Point Water WorksLake30,000CommunityPurchased surface water
East Chicago Water WorksLake26,370CommunitySurface water
St. John Municipal Water UtilityLake25,700CommunityGroundwater

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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, “Noble Oaks Subdivision Water Association, PWSID IN5245054, Indiana”, https://aquacensus.com/water-systems/indiana/noble-oaks-subdivision-water-association-in5245054 (data as of October 1, 2026).