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Public water system · CO0335845

Active

Wild Basin Es

At a glance

Wild Basin Es (PWSID CO0335845) is an active transient non-community water system in Boulder County, Colorado. It reports serving 250 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

250

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCO0335845
System typeTransient non-community water system
Activity statusActive
Population served250
Service connections2
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyBoulder County

How does Wild Basin Es compare with other water systems in Boulder County?

By EPA's size categories, Wild Basin Es is a very small system (500 people or fewer). Boulder County has 81 active public water systems. Its population served is well below the county average of 5,397 people per system, and accounts for less than 0.1% of the 437,116 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 Wild Basin Es is about 74% above 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 Wild Basin Es?

EPA lists Wild Basin Es 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. 5 of the 81 active systems in Boulder County (6.2%) are also owned by the federal government.

Does Wild Basin Es have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Wild Basin Es. For the latest compliance status, check EPA ECHO for current compliance history.

Wild Basin Es: frequently asked questions

Who runs Wild Basin Es?

Wild Basin Es (PWSID CO0335845) 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 Wild Basin Es serve?

Wild Basin Es reports serving 250 people through 2 service connections in Boulder County, Colorado.

Where does Wild Basin Es 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 Wild Basin Es have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Wild Basin Es' 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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CO state drinking water program.

Where can I find Wild Basin Es' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wild Basin Es 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 Boulder County

Water systemCountyPopulation servedTypeSource
Boulder City ofBoulder166,080CommunitySurface water
Longmont City ofBoulder104,178CommunitySurface water
Erie Town ofBoulder47,444CommunitySurface water
Lafayette City ofBoulder28,700CommunitySurface water
Louisville City ofBoulder20,975CommunitySurface water
Left Hand WdBoulder20,280CommunitySurface 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, “Wild Basin Es, PWSID CO0335845, Colorado”, https://aquacensus.com/water-systems/colorado/wild-basin-es-co0335845 (data as of October 1, 2026).