Public water system · CO0235416
ActiveJohn Timothy Stone Cliffs Assoc
At a glance
John Timothy Stone Cliffs Assoc (PWSID CO0235416) is an active transient non-community water system in Larimer County, Colorado. It reports serving 80 people through 24 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
24
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does John Timothy Stone Cliffs Assoc compare with other water systems in Larimer County?
By EPA's size categories, John Timothy Stone Cliffs Assoc is a very small system (500 people or fewer). Larimer County has 134 active public water systems. Its population served is well below the county average of 3,842 people per system, and accounts for less than 0.1% of the 514,860 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 John Timothy Stone Cliffs Assoc is about 44% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.
Who owns and regulates John Timothy Stone Cliffs Assoc?
EPA lists John Timothy Stone Cliffs Assoc 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. 86 of the 134 active systems in Larimer County (64%) are also privately owned.
Does John Timothy Stone Cliffs Assoc have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2019. The violations listed here began between May 2004 and August 2019. By type: 3 public notice, recordkeeping or other, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (3 of them). EPA lists 5 as resolved and 2 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 |
|---|---|---|---|---|
| 2019-08-11 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Unaddressed |
| 2018-08-24 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Unaddressed |
| 2018-07-03 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2018-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2018-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2007-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
John Timothy Stone Cliffs Assoc: frequently asked questions
Who runs John Timothy Stone Cliffs Assoc?
John Timothy Stone Cliffs Assoc (PWSID CO0235416) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does John Timothy Stone Cliffs Assoc serve?
John Timothy Stone Cliffs Assoc reports serving 80 people through 24 service connections in Larimer County, Colorado.
Where does John Timothy Stone Cliffs Assoc get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does John Timothy Stone Cliffs Assoc have any drinking water violations?
EPA's records list 7 violations for this system; none is 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 John Timothy Stone Cliffs Assoc'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 7 violations for this system; none is 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 John Timothy Stone Cliffs Assoc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. John Timothy Stone Cliffs Assoc 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 Larimer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ft Collins City of | Larimer | 179,901 | Community | Surface water |
| Loveland City of | Larimer | 91,077 | Community | Surface water |
| Ft Collins Loveland Wd | Larimer | 63,532 | Community | Purchased surface water |
| East Larimer County Wd | Larimer | 27,944 | Community | Purchased surface water |
| Csu Main and West Housing Campus | Larimer | 27,375 | Community | Purchased surface water |
| Little Thompson Wd | Larimer | 25,654 | 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, “John Timothy Stone Cliffs Assoc, PWSID CO0235416, Colorado”, https://aquacensus.com/water-systems/colorado/john-timothy-stone-cliffs-assoc-co0235416 (data as of October 1, 2026).