ROLLA, MO · Phelps County
COOLBROOK COMMUNITY WELL ASSN INC Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 27, 2012. 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 Phelps County, MO.
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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.
System facts
- System ID (PWSID)
- MO3036137
- System type
- Community Water System
- Population served
- 30
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
COOLBROOK COMMUNITY WELL ASSN INC is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, formerly serving 30 people from groundwater.
EPA's federal records list this system as inactive in 2012; the record below is historical.
As of August 1, 2026, its federal record holds 3 entries between 2010 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.
All 3 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 Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2012 – January 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2010 – October 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2010 – September 30, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2012 – January 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2010 – October 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2010 – September 30, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
MATHIS, IRVIN
573-364-8681
ROLLA, MO 65402-0000