Dubuque County, Iowa Water Systems

Dubuque County, Iowa

72 community water systems on record — 32 active, 40 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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

Community water systems in Dubuque County, Iowa

System name	City	Population served	Status
AADC	ASBURY	2,057	Inactive
AADC (JE-TAC, INC.)	ASBURY	150	Inactive
AADC (MAPLE HILLS WATER CORPORATION)	ASBURY	260	Inactive
ACE MOBILE HOME PARK	DUBUQUE	32	Active
ALPINE PARK	EPWORTH	932	Active
ASBURY MUNICIPAL WATER SYSTEM	ASBURY	5,943	Active
BAHL WATER CORPORATION #5	DUBUQUE	63	Inactive
BALLTOWN HOUSING DEVELOPMENT	SHERRILL	73	Inactive
BARRINGTON LAKES WATER SYSTEM	DUBUQUE	333	Inactive
BERNARD WATER SYSTEM	BERNARD	114	Active
BRIARWOOD HOA	EPWORTH	70	Inactive
BROADVIEW TRAILER COURT	EPWORTH	82	Inactive
BURDS GREEN ACRES SUBDIVISION	PEOSTA	312	Active
CASCADE MUNICIPAL WATER SUPPLY	CASCADE	2,386	Active
COLONIAL/GM/RC	DUBUQUE	462	Inactive
COUNTRY HILLS WATER CORP	PEOSTA	38	Active
DANIEL NICKOLSON HOUSING DEVEL	DUBUQUE	37	Inactive
DUBUQUE WATER WORKS	DUBUQUE	59,667	Active
DYERSVILLE MUNICIPAL WATER CO	DYERSVILLE	4,477	Active
EPWORTH WATER SUPPLY	EPWORTH	2,023	Active
FARLEY WATER SUPPLY	FARLEY	1,766	Active
FEYENS TRAILER COURT	DYERSVILLE	39	Inactive
FORTMANN SUBDIVISION	WORTHINGTON	51	Inactive
GAVIN ESTATES	DUBUQUE	52	Active
GRAF COURT WATER ASSOCIATION	DURANGO	73	Inactive
GREEN ACRES MOBILE HOME PARK	DUBUQUE	35	Inactive
GREEN BRIER SUBDIVISION	DUBUQUE	35	Active
GREEN MEADOWS	DUBUQUE	135	Inactive
HICKORY ACRES	MARSHALLTOWN	115	Active
HOLY CROSS WATER SUPPLY	HOLY CROSS	356	Active
JULIEN CARE FACILITY	DUBUQUE	215	Inactive
KENNEDY	DUBUQUE	52	Inactive
KENNEDY LARCHES	DUBUQUE	120	Inactive
KNAPP MOBILE HOME COURT NO 4	DUBUQUE	20	Inactive
LIESURE LAKE	ZWINGLE	270	Inactive
LORE MOUND MOBILE HOME PARK	PEOSTA	68	Active
LORE OAKS HOMEOWNERS ASSN.	DUBUQUE	64	Active
LOST CANYON MHP (PEOSTA)	PEOSTA	97	Active
LUXEMBURG WATER SUPPLY	LUXEMBURG	245	Active
MAPLE HILLS	DUBUQUE	230	Inactive
MAYMES PLACE	DUBUQUE	29	Inactive
MIDWAY MHP ( DUBUQUE)	DUBUQUE	30	Inactive
MOUND VIEW SUBDIVISION	DUBUQUE	41	Inactive
NEW VIENNA WATER SUPPLY	NEW VIENNA	382	Active
NORTH END MOBILE HOME PARK	DUBUQUE	40	Active
OBERBROECKLING'S SUBDIV	LUXEMBERG	32	Inactive
PARK TERRACE COURT	DUBUQUE	30	Inactive
PEOSTA WATER SUPPLY	PEOSTA	2,278	Active
QUALITY WATER, INC. #2 (K-L)	DUBUQUE	70	Active
REGENCY WEST SUBDIVISION	DUBUQUE	46	Active
SCHUSTER'S SUBDIVISION	DUBUQUE	39	Inactive
SHAGBARK ESTATES	DUBUQUE	38	Active
SPRING VALLEY PARK	DUBUQUE	180	Active
STAR WATER	DUBUQUE	110	Active
STARLITE MOBILE HOME PARK	DYERSVILLE	35	Inactive
SUPER 20 MOBILE HOME COURT	BOCA RATON	236	Active
TABLE MOUND PARK	CASCASDE	455	Active
TERRACE HEIGHTS	DENVER	548	Active
THUNDER HILLS HOME & UTILITY ASSOC.	EPWORTH	300	Active
THUNDER RIDGE ESTATES	FARLEY	112	Inactive
THUNDER RIDGE ESTATES (INACTIVE)	PEOSTA	36	Inactive
TWIN RIDGE CORP (CITY OF DUBUQUE)	DUBUQUE	215	Inactive
TWIN RIDGE WATER & SEWER CORP	DUBUQUE	64	Inactive
TWIN T MOBILE HOME PARK, INC.	DUBUQUE	67	Inactive
VERDE WATER CO.-TABLE MOUND #1-WELL #2	DUBUQUE	342	Inactive
VERNON WATER SYSTEM	DUBUQUE	300	Inactive
WEDGEWOOD ESTATES	ASBURY	25	Inactive
WEST DUBUQUE INDUSTRIAL PARK WATER	DUBUQUE	2,065	Inactive
WESTGATE MOBILE HOME PARK	DUBUQUE	100	Inactive
WILDFLOWER RIDGE SUBDIVISION	DUBUQUE	144	Inactive
WOODMORE ESTATES	ASBURY	102	Inactive
WORTHINGTON WATER SUPPLY	WORTHINGTON	382	Active