CENTENNIAL, CO · Arapahoe County
ARAPAHOE CNTY WWWA Water System
Consumer Confidence Report status
ARAPAHOE CNTY WWWA must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ARAPAHOE CNTY WWWA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.
System facts
- System ID (PWSID)
- CO0203002
- System type
- Community Water System
- Population served
- 31,000
- Service connections
- 3,951
- Ownership
- privately owned
- Water source
- groundwater (wells)
ARAPAHOE CNTY WWWA is one of 87 community water systems in Colorado in the 10,001 to 100,000 people size category, serving 31,000 people from groundwater.
As of August 1, 2026, its federal record holds 6 entries in 2017, all of which EPA lists as closed. Nothing has been added since 2017.
All 6 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals.
Violation history
Monitoring, Regular
—BHC-GAMMA
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—LASSO
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Picloram
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Chlordane
January 1, 2017 – December 31, 2019
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Chlordane | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 29, 2020State Compliance achieved356 linked violations
Common questions
Is ARAPAHOE CNTY WWWA required to publish a Consumer Confidence Report?
- Yes. ARAPAHOE CNTY WWWA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ARAPAHOE CNTY WWWA’s next Consumer Confidence Report due?
- ARAPAHOE CNTY WWWA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ARAPAHOE CNTY WWWA have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ARAPAHOE CNTY WWWA.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
BRIGOLA, BREELYN
303-790-4830
CENTENNIAL, CO 80112