Public water system · CA3901181
ActiveNorthwest Pipe Company
Non-transient non-community water system in San Joaquin County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
82
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | 4H | 5200 | No | Unaddressed |
| 2024-07-01 | 3A | 8000 | No | Resolved |
| 2014-07-01 | 22 | 3100 | Yes | Resolved |
| 2014-06-01 | 22 | 3100 | Yes | Resolved |
| 2014-05-01 | 22 | 3100 | Yes | Resolved |
| 2013-12-01 | 22 | 3100 | Yes | Resolved |
| 2013-10-01 | 22 | 3100 | Yes | Resolved |
| 2012-07-01 | 71 | 7000 | No | Resolved |
| 2012-05-01 | 22 | 3100 | Yes | Resolved |
| 2012-02-01 | 22 | 3100 | Yes | Resolved |
| 2011-11-01 | 22 | 3100 | Yes | Resolved |
| 2011-07-01 | 71 | 7000 | No | Resolved |
Northwest Pipe Company: frequently asked questions
Is Northwest Pipe Company's water safe to drink?
Northwest Pipe Company is an active non-transient non-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 Northwest Pipe Company?
Northwest Pipe Company (PWSID CA3901181) is a private-owned non-transient non-community water system, regulated by the CA state drinking water program.
How many people does Northwest Pipe Company serve?
Northwest Pipe Company reports serving 82 people through 3 service connections in San Joaquin County, California.
Where does Northwest Pipe Company get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in San Joaquin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Stockton | San Joaquin | 191,302 | Community | Surface water |
| California Water Service - Stockton | San Joaquin | 176,266 | Community | Purchased surface water |
| Tracy, City of | San Joaquin | 96,609 | Community | Surface water |
| Manteca, City of | San Joaquin | 84,928 | Community | Purchased surface water |
| Lodi, City of | San Joaquin | 68,272 | Community | Surface water |
| City of Lathrop | San Joaquin | 35,080 | Community | Purchased surface water |