Public water system · CO0230743
ActiveTiny Town Historical Park
At a glance
Tiny Town Historical Park (PWSID CO0230743) is an active transient non-community water system in Jefferson County, Colorado. It reports serving 1,210 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,210
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Tiny Town Historical Park compare with other water systems in Jefferson County?
By EPA's size categories, Tiny Town Historical Park is a small system (501 to 3,300 people). 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 0.2% 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 transient non-community water system reports serving 144 people, so Tiny Town Historical Park is about 8.4 times 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 Tiny Town Historical Park?
EPA lists Tiny Town Historical Park 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 Tiny Town Historical Park have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2025. The violations listed here began between September 1998 and August 2025. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2025-08-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-06-11 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
Tiny Town Historical Park: frequently asked questions
Who runs Tiny Town Historical Park?
Tiny Town Historical Park (PWSID CO0230743) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Tiny Town Historical Park serve?
Tiny Town Historical Park reports serving 1,210 people through 2 service connections in Jefferson County, Colorado.
Where does Tiny Town Historical Park 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 Tiny Town Historical Park have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2025. 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 Tiny Town Historical Park'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 6 violations for this system; 1 is health-based, and the most recent began in August 2025. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Tiny Town Historical Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tiny Town Historical Park 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 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, “Tiny Town Historical Park, PWSID CO0230743, Colorado”, https://aquacensus.com/water-systems/colorado/tiny-town-historical-park-co0230743 (data as of October 1, 2026).