CALDWELL, ID · Canyon County
ELMCREST SUBD Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 18, 2011. 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 Canyon County, ID.
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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID3140033
- System type
- Community Water System
- Population served
- 16
- Service connections
- 7
- Ownership
- privately owned
- Water source
- groundwater (wells)
ELMCREST SUBD is one of 969 community water systems in Idaho in the 500 or fewer people size category, formerly serving 16 people from groundwater.
EPA's federal records list this system as inactive in 2011; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 2004 and 2009, all of which EPA lists as closed. Nothing has been added since 2009.
None of the 2 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals and the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2004 – August 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2009 – December 31, 2009 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| August 1, 2004 – August 31, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 3, 2017State Violation/Reminder Notice4 linked violations
- September 7, 2011State Compliance achieved28 linked violations
- May 9, 2011State Public Notification received4 linked violations
- October 4, 2010State Public Notification requested3 linked violations
- October 1, 2010State Violation/Reminder Notice6 linked violations
- February 4, 2010State Public Notification requested4 linked violations
- July 5, 2005State Compliance achieved9 linked violations
- May 6, 2002State Compliance achieved25 linked violations
Last known contact on file (system is inactive)
SURERUS, DAN
208-455-6214
CALDWELL, ID 83607