Public water system · CO0218618

Active

Castle Rock Congre of Jehovahs Witnesses

At a glance

Castle Rock Congre of Jehovahs Witnesses (PWSID CO0218618) is an active transient non-community water system in Douglas County, Colorado. It reports serving 145 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 2026.

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

Population served

145

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0218618

System typeTransient non-community water system

Activity statusActive

Population served145

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCO state drinking water program

City served—

StateColorado

ZIP—

CountyDouglas County

How does Castle Rock Congre of Jehovahs Witnesses compare with other water systems in Douglas County?

By EPA's size categories, Castle Rock Congre of Jehovahs Witnesses is a very small system (500 people or fewer). Douglas County has 74 active public water systems. Its population served is well below the county average of 5,694 people per system, and accounts for less than 0.1% of the 421,335 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Castle Rock Congre of Jehovahs Witnesses is roughly in line with 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. Colorado has 956 active transient non-community water systems, 43% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.

Who owns and regulates Castle Rock Congre of Jehovahs Witnesses?

EPA lists Castle Rock Congre of Jehovahs Witnesses 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. 45 of the 74 active systems in Douglas County (61%) are also privately owned.

Does Castle Rock Congre of Jehovahs Witnesses have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 2026. The violations listed here began between June 2010 and February 2026. By type: 8 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 10 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-02-13	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Unaddressed
2026-01-13	Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2021-06-03	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2013-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2013-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2012-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2012-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-02-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2010-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved

All 11 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.

Castle Rock Congre of Jehovahs Witnesses: frequently asked questions

Who runs Castle Rock Congre of Jehovahs Witnesses?

Castle Rock Congre of Jehovahs Witnesses (PWSID CO0218618) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Castle Rock Congre of Jehovahs Witnesses serve?

Castle Rock Congre of Jehovahs Witnesses reports serving 145 people through 1 service connection in Douglas County, Colorado.

Where does Castle Rock Congre of Jehovahs Witnesses 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 Castle Rock Congre of Jehovahs Witnesses have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 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 Castle Rock Congre of Jehovahs Witnesses' 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 11 violations for this system; none is health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Castle Rock Congre of Jehovahs Witnesses' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Castle Rock Congre of Jehovahs Witnesses 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 Douglas County

Water system	County	Population served	Type	Source
Castle Rock Town of	Douglas	110,298	Community	Surface water
Highlands Ranch Wsd	Douglas	103,444	Community	Surface water
Parker Wsd	Douglas	75,949	Community	Surface water
Meridian Md	Douglas	23,415	Community	Purchased surface water
Stonegate Md	Douglas	15,295	Community	Purchased surface water
Roxborough Wsd	Douglas	13,765	Community	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, “Castle Rock Congre of Jehovahs Witnesses, PWSID CO0218618, Colorado”, https://aquacensus.com/water-systems/colorado/castle-rock-congre-of-jehovahs-witnesses-co0218618 (data as of October 1, 2026).