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Public water system · CO0318282

Active

Flat Rocks Campground

At a glance

Flat Rocks Campground (PWSID CO0318282) is an active transient non-community water system in Douglas County, Colorado. It reports serving 114 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in August 2019.

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

Population served

114

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0318282
System typeTransient non-community water system
Activity statusActive
Population served114
Service connections4
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyDouglas County

How does Flat Rocks Campground compare with other water systems in Douglas County?

By EPA's size categories, Flat Rocks Campground 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 Flat Rocks Campground is about 21% 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. 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 Flat Rocks Campground?

EPA lists Flat Rocks Campground as owned by the federal government. 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. 2 of the 74 active systems in Douglas County (2.7%) are also owned by the federal government.

Does Flat Rocks Campground have drinking water violations?

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in August 2019. The violations listed here began between July 1995 and August 2019. By type: 4 public notice, recordkeeping or other, 2 monitoring and reporting, 2 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-08-10Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2019-08-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-05-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-09-09Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-08-09Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2DRevised Total Coliform Rulecode 8000YesResolved
2008-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2004-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
1995-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Flat Rocks Campground: frequently asked questions

Who runs Flat Rocks Campground?

Flat Rocks Campground (PWSID CO0318282) is a transient non-community water system owned by the federal government. It is regulated by the CO state drinking water program.

How many people does Flat Rocks Campground serve?

Flat Rocks Campground reports serving 114 people through 4 service connections in Douglas County, Colorado.

Where does Flat Rocks Campground 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 Flat Rocks Campground have any drinking water violations?

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in August 2019. 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 Flat Rocks Campground'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; 3 are health-based, and the most recent began in August 2019. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Flat Rocks Campground's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Flat Rocks Campground 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 systemCountyPopulation servedTypeSource
Castle Rock Town ofDouglas110,298CommunitySurface water
Highlands Ranch WsdDouglas103,444CommunitySurface water
Parker WsdDouglas75,949CommunitySurface water
Meridian MdDouglas23,415CommunityPurchased surface water
Stonegate MdDouglas15,295CommunityPurchased surface water
Roxborough WsdDouglas13,765CommunitySurface 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, “Flat Rocks Campground, PWSID CO0318282, Colorado”, https://aquacensus.com/water-systems/colorado/flat-rocks-campground-co0318282 (data as of October 1, 2026).