GARNER, IA · Hancock County
DUNCAN HEIGHTS, INC. Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of July 28, 2016. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Hancock County, IA.
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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA4100901
- System type
- Community Water System
- Population served
- 51
- Service connections
- 1
- Ownership
- privately owned
- Water source
- groundwater (wells)
DUNCAN HEIGHTS, INC. is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, formerly serving 51 people from groundwater.
EPA's federal records list this system as inactive in 2016; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 1980 and 2004, all of which EPA lists as closed. Nothing has been added since 2004.
All 2 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 the Stage 1 Disinfectants and Disinfection Byproducts Rule and inorganic chemicals.
Violation history
Monitoring and Reporting (DBP)
—Chlorine
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—Chromium
September 30, 1980 – September 29, 1983
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 30, 1980 – September 29, 1983 | Monitoring, Regular | Chromium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 29, 2007State Public Notification requested1 linked violation
- October 29, 2007State Public Notification requested1 linked violation
- March 10, 2005State Public Notification requested11 linked violations
- July 20, 1998State Public Notification requested2 linked violations
- April 28, 1995State Public Notification requested3 linked violations
- March 6, 1995State Compliance achieved3 linked violations
- March 1, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 19, 1982State Unresolved1 linked violation
- February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
DUNCAN HEIGHTS, INC
641-923-3337
GARNER, IA 50438