Public water system · CO0130318

Active

Golden Terrace South

At a glance

Golden Terrace South (PWSID CO0130318) is an active community water system in Jefferson County, Colorado. It reports serving 425 people through 169 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

425

Service connections

169

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0130318

System typeCommunity water system

Activity statusActive

Population served425

Service connections169

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyCO state drinking water program

City servedGolden

StateColorado

ZIP—

CountyJefferson County

How does Golden Terrace South compare with other water systems in Jefferson County?

By EPA's size categories, Golden Terrace South is a very small system (500 people or fewer). Jefferson County has 112 active public water systems. Its population served is well below the county average of 5,159 people per system, and accounts for less than 0.1% of the 577,783 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Golden Terrace South 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.

Who owns and regulates Golden Terrace South?

EPA lists Golden Terrace South as privately owned. The CO 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 112 active systems in Jefferson County (62%) are also privately owned.

Does Golden Terrace South have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2020. The violations listed here began between December 2017 and January 2020. By type: 4 monitoring and reporting, 3 public notice, recordkeeping or other, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (3 of them). EPA lists 9 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.

Began	Violation	Contaminant or rule	Health-based	Status
2020-01-29	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2019-10-29	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2019-07-29	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2019-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2019-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2018-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2018-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-12-07	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved

All 9 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.

Golden Terrace South: frequently asked questions

Who runs Golden Terrace South?

Golden Terrace South (PWSID CO0130318) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Golden Terrace South serve?

Golden Terrace South reports serving 425 people through 169 service connections in Jefferson County, Colorado.

Where does Golden Terrace South get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Golden Terrace South have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2020. 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 Golden Terrace South'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 9 violations for this system; 1 is health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Golden Terrace South's water quality report?

As a community water system, Golden Terrace South 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 Jefferson County

Water system	County	Population served	Type	Source
Arvada City of	Jefferson	171,610	Community	Surface water
Consolidated Mutual Maple Grove	Jefferson	81,400	Community	Surface water
Green Mountain Wsd	Jefferson	49,400	Community	Purchased surface water
Bancroft Clover Wsd	Jefferson	44,000	Community	Purchased surface water
Golden City of	Jefferson	38,288	Community	Surface water
Bear Creek Wsd	Jefferson	30,000	Community	Purchased surface 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, “Golden Terrace South, PWSID CO0130318, Colorado”, https://aquacensus.com/water-systems/colorado/golden-terrace-south-co0130318 (data as of October 1, 2026).