Public water system · CO0203012
ActiveInverness Wsd
At a glance
Inverness Wsd (PWSID CO0203012) is an active community water system in Arapahoe County, Colorado. It reports serving 8,140 people through 216 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,140
Service connections
216
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Inverness Wsd compare with other water systems in Arapahoe County?
By EPA's size categories, Inverness Wsd is a medium system (3,301 to 10,000 people). Arapahoe County has 39 active public water systems. Its population served is about 63% below the county average of 22,146 people per system, and accounts for 0.9% of the 863,682 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 Inverness Wsd is about 21% above 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. 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 Inverness Wsd?
EPA lists Inverness Wsd as owned by a local 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. 17 of the 39 active systems in Arapahoe County (44%) are also owned by a local government.
Does Inverness Wsd have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. The violations listed here began between January 2011 and July 2023. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Di(2-ethylhexyl) phthalate (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
The 12 most recent 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.
Inverness Wsd: frequently asked questions
Who runs Inverness Wsd?
Inverness Wsd (PWSID CO0203012) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Inverness Wsd serve?
Inverness Wsd reports serving 8,140 people through 216 service connections in Arapahoe County, Colorado.
Where does Inverness Wsd 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 Inverness Wsd have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. 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 Inverness Wsd'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Inverness Wsd's water quality report?
As a community water system, Inverness Wsd 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 Arapahoe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aurora City of | Arapahoe | 533,407 | Community | Surface water |
| East Cherry Creek Valley Wsd | Arapahoe | 66,130 | Community | Purchased surface water |
| Englewood City of | Arapahoe | 57,332 | Community | Surface water |
| Southgate Wsd | Arapahoe | 55,000 | Community | Purchased surface water |
| Southwest Metropolitan Wsd | Arapahoe | 48,648 | Community | Purchased surface water |
| Arapahoe Cnty Wwwa | Arapahoe | 31,000 | Community | Groundwater |
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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, “Inverness Wsd, PWSID CO0203012, Colorado”, https://aquacensus.com/water-systems/colorado/inverness-wsd-co0203012 (data as of October 1, 2026).