Public water system · CO0107489
ActiveLark Meadows Wa
At a glance
Lark Meadows Wa (PWSID CO0107489) is an active community water system in Boulder County, Colorado. It reports serving 75 people through 31 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
31
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lark Meadows Wa compare with other water systems in Boulder County?
By EPA's size categories, Lark Meadows Wa 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 community water system reports serving 6,703 people, so Lark Meadows Wa is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% 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 Lark Meadows Wa?
EPA lists Lark Meadows Wa 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. 53 of the 81 active systems in Boulder County (65%) are also privately owned.
Does Lark Meadows Wa have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2015. The violations listed here began between January 2002 and September 2015. By type: 5 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2015-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2008-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | 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.
Lark Meadows Wa: frequently asked questions
Who runs Lark Meadows Wa?
Lark Meadows Wa (PWSID CO0107489) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Lark Meadows Wa serve?
Lark Meadows Wa reports serving 75 people through 31 service connections in Boulder County, Colorado.
Where does Lark Meadows Wa 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 Lark Meadows Wa have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2015. 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 Lark Meadows Wa'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; 2 are health-based, and the most recent began in September 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Lark Meadows Wa's water quality report?
As a community water system, Lark Meadows Wa must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Boulder County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boulder City of | Boulder | 166,080 | Community | Surface water |
| Longmont City of | Boulder | 104,178 | Community | Surface water |
| Erie Town of | Boulder | 47,444 | Community | Surface water |
| Lafayette City of | Boulder | 28,700 | Community | Surface water |
| Louisville City of | Boulder | 20,975 | Community | Surface water |
| Left Hand Wd | Boulder | 20,280 | Community | Surface 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, “Lark Meadows Wa, PWSID CO0107489, Colorado”, https://aquacensus.com/water-systems/colorado/lark-meadows-wa-co0107489 (data as of October 1, 2026).