Douglas County, Colorado Water Systems

Douglas County, Colorado

36 community water systems on record — 28 active, 8 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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.

Community water systems in Douglas County, Colorado

System name	City	Population served	Status
BEVERLY HILLS MUTUAL WC	CASTLE ROCK	325	Active
CASTLE PARK MHP	LOVELAND	191	Active
CASTLE PINES NORTH MD	CASTLE PINES	12,800	Active
CASTLE PINES VILLAGE MD	CASTLE ROCK	5,656	Active
CASTLE ROCK TOWN OF	CASTLE ROCK	106,822	Active
CHATFIELD SOUTH WD	DENVER	312	Active
CONSOLIDATED BELL MTN RANCH MD	CASTLE ROCK	1,000	Active
COTTONWOOD WSD	ENGLEWOOD	10,867	Active
DOMINION WSD	GREENWOOD VILLAGE	0	Active
FOXHILL MD	DENVER	123	Active
HIGHLANDS RANCH WSD	HIGHLANDS RANCH	103,444	Active
LARKSPUR ELEM SCHOOL	CASTLE ROCK	40	Inactive
LARKSPUR TOWN OF	LARKSPUR	275	Active
LOUVIERS WSD	CASTLE ROCK	238	Active
MEADOWS THE FILING 5 CASTLE R	ENGLEWOOD	0	Inactive
MERIDIAN MD	ENGLEWOOD	23,415	Active
NORTHERN DOUGLAS COUNTY WSD	GREENWOOD VILLAGE	6,160	Active
PARKER HEIGHTS WTR & SAN DIST	PARKER	250	Inactive
PARKER METRO DIST	PARKER	200	Inactive
PARKER WSD	PARKER	75,949	Active
PERRY PARK WSD	LARKSPUR	3,890	Active
PINERY WWD	PARKER	12,901	Active
RAINBOW FALLS NORTH WTR ASSN	SEDALIA II	40	Inactive
RAVENNA MD	LARKSPUR	118	Inactive
RICHLAWN HILLS	PARKER	26	Inactive
ROXBOROUGH NW DOUGLAS COUNTY	LITTLETON	860	Active
ROXBOROUGH WSD	LITTLETON	13,765	Active
SEDALIA WSD	LAKEWOOD	215	Active
SIERRA VISTA HOA	WHEAT RIDGE	120	Active
SILVER HEIGHTS WSD	CASTLE ROCK	301	Active
STERLING RANCH CAB	LITTLETON	11,357	Active
STONEGATE MD	PARKER	15,295	Active
STROH RANCH PARKER WSD	PARKER	0	Inactive
THUNDERBIRD WSD	SEDALIA	490	Active
VIEW RIDGE MUTUAL WC	SEDALIA	35	Active
WESTCREEK LAKES WD	WESTCREEK	165	Active