Skip to content
AquaCensus

Public water system · PA4190298

Active

Country Terrace Estates

At a glance

Country Terrace Estates (PWSID PA4190298) is an active community water system in Columbia County, Pennsylvania. It reports serving 70 people through 58 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 January 2026.

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

Population served

70

Service connections

58

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDPA4190298
System typeCommunity water system
Activity statusActive
Population served70
Service connections58
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyPA state drinking water program
City served—
StatePennsylvania
ZIP—
CountyColumbia County

How does Country Terrace Estates compare with other water systems in Columbia County?

By EPA's size categories, Country Terrace Estates is a very small system (500 people or fewer). Columbia County has 87 active public water systems. Its population served is well below the county average of 744 people per system, and accounts for 0.1% of the 64,697 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Country Terrace Estates 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. Pennsylvania has 1,762 active community water systems, 24% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.

Who owns and regulates Country Terrace Estates?

EPA lists Country Terrace Estates as privately owned. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 69 of the 87 active systems in Columbia County (79%) are also privately owned.

Does Country Terrace Estates have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between October 2015 and January 2026. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Chlorine (4 of them). 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
2026-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2022-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2022-04-18Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-03-08ReportingNotify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR) · code 4FRevised Total Coliform Rulecode 8000NoResolved
2022-03-08Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Asbestoscode 1094NoResolved
2019-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2016-04-01Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2016-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2015-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved

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.

Country Terrace Estates: frequently asked questions

Who runs Country Terrace Estates?

Country Terrace Estates (PWSID PA4190298) is a community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Country Terrace Estates serve?

Country Terrace Estates reports serving 70 people through 58 service connections in Columbia County, Pennsylvania.

Where does Country Terrace Estates 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 Country Terrace Estates 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 January 2026. 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 Country Terrace Estates' 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 January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.

Where can I find Country Terrace Estates' water quality report?

As a community water system, Country Terrace Estates 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 Columbia County

Water systemCountyPopulation servedTypeSource
Veolia Water Pa Inc. BloomsburgColumbia29,382CommunitySurface water
Pa American Water BerwickColumbia15,282CommunityGroundwater
Knoebels Grove ParkColumbia4,000Non-transient non-communityGroundwater
Southern Columbia Area SchoolColumbia1,650Non-transient non-communityGroundwater
Catawissa Municipal Water AuthColumbia1,644CommunityGroundwater
Benton Municipal Water AuthColumbia1,333CommunityGroundwater under influence of surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Country Terrace Estates, PWSID PA4190298, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/country-terrace-estates-pa4190298 (data as of October 1, 2026).