Skip to content
AquaCensus

Public water system · CO0247720

Active

Spinney Mountain Reservoir

At a glance

Spinney Mountain Reservoir (PWSID CO0247720) is an active transient non-community water system in Park County, Colorado. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0247720
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyPark County

How does Spinney Mountain Reservoir compare with other water systems in Park County?

By EPA's size categories, Spinney Mountain Reservoir is a very small system (500 people or fewer). Park County has 76 active public water systems. Its population served is well below the county average of 164 people per system, and accounts for 0.2% of the 12,448 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 Spinney Mountain Reservoir is well 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 Spinney Mountain Reservoir?

EPA lists Spinney Mountain Reservoir 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. 41 of the 76 active systems in Park County (54%) are also privately owned.

Does Spinney Mountain Reservoir have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 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
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

The one violation in EPA's records.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.

Spinney Mountain Reservoir: frequently asked questions

Who runs Spinney Mountain Reservoir?

Spinney Mountain Reservoir (PWSID CO0247720) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Spinney Mountain Reservoir serve?

Spinney Mountain Reservoir reports serving 25 people through 1 service connection in Park County, Colorado.

Where does Spinney Mountain Reservoir 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 Spinney Mountain Reservoir have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021. 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 Spinney Mountain Reservoir'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 one violation for this system; it is not health-based, and the most recent began in January 2021. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Spinney Mountain Reservoir's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Spinney Mountain Reservoir 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 Park County

Water systemCountyPopulation servedTypeSource
Fairplay Town ofPark909CommunityGroundwater under influence of surface water
Badger Basin Country StorePark856Transient non-communityGroundwater
Camp Alexander Boy ScoutsPark785Transient non-communityGroundwater under influence of surface water
Deer Creek MdPark662Non-transient non-communityGroundwater
Camp Id Ra Ha JePark522Transient non-communityGroundwater
Bailey WsdPark483CommunitySurface 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, “Spinney Mountain Reservoir, PWSID CO0247720, Colorado”, https://aquacensus.com/water-systems/colorado/spinney-mountain-reservoir-co0247720 (data as of October 1, 2026).