Public water system · CA2810001
ActiveHowell Mountain Mutual Water Company
Community water system in Napa County, California, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,240
Service connections
379
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2023-01-01 | 02 | 2950 | Yes | Resolved |
| 2021-04-01 | 02 | 2950 | Yes | Resolved |
| 2020-10-01 | 52 | 5000 | No | Resolved |
| 2016-10-01 | 02 | 2950 | Yes | Resolved |
| 2016-07-01 | 02 | 2950 | Yes | Resolved |
| 2015-01-01 | 03 | 1040 | No | Resolved |
| 2013-07-01 | 02 | 2950 | Yes | Resolved |
| 2013-04-01 | 02 | 2950 | Yes | Resolved |
| 2011-04-01 | 02 | 2456 | Yes | Resolved |
| 2011-01-01 | 02 | 2456 | Yes | Resolved |
| 2011-01-01 | 02 | 2950 | Yes | Resolved |
| 2010-10-01 | 02 | 2456 | Yes | Resolved |
Howell Mountain Mutual Water Company: frequently asked questions
Is Howell Mountain Mutual Water Company's water safe to drink?
Howell Mountain Mutual Water Company is an active community water system regulated under the Safe Drinking Water Act, overseen by the CA state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Howell Mountain Mutual Water Company?
Howell Mountain Mutual Water Company (PWSID CA2810001) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Howell Mountain Mutual Water Company serve?
Howell Mountain Mutual Water Company reports serving 1,240 people through 379 service connections in Napa County, California.
Where does Howell Mountain Mutual Water Company get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Napa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Napa, City of | Napa | 84,804 | Community | Surface water |
| American Canyon, City of | Napa | 21,437 | Community | Surface water |
| Phelps Vineyards | Napa | 19,412 | Non-transient non-community | Groundwater |
| Calistoga, City of | Napa | 5,610 | Community | Surface water |
| St. Helena, City of | Napa | 5,386 | Community | Surface water |
| Town of Yountville | Napa | 2,787 | Community | Purchased surface water |