Public water system · CA5000592
ActiveMid Valley Ag
At a glance
Mid Valley Ag (PWSID CA5000592) is an active non-transient non-community water system in Stanislaus County, California. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mid Valley Ag compare with other water systems in Stanislaus County?
By EPA's size categories, Mid Valley Ag is a very small system (500 people or fewer). Stanislaus County has 191 active public water systems. Its population served is well below the county average of 2,684 people per system, and accounts for less than 0.1% of the 512,656 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mid Valley Ag is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Mid Valley Ag?
EPA lists Mid Valley Ag as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 130 of the 191 active systems in Stanislaus County (68%) are also privately owned.
Does Mid Valley Ag have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Mid Valley Ag. For the latest compliance status, check EPA ECHO for current compliance history.
Mid Valley Ag: frequently asked questions
Who runs Mid Valley Ag?
Mid Valley Ag (PWSID CA5000592) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Mid Valley Ag serve?
Mid Valley Ag reports serving 25 people through 2 service connections in Stanislaus County, California.
Where does Mid Valley Ag get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Mid Valley Ag have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Mid Valley Ag's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Mid Valley Ag's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mid Valley Ag is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Stanislaus County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Modesto, City of | Stanislaus | 218,771 | Community | Purchased surface water |
| Turlock, City of | Stanislaus | 72,682 | Community | Purchased surface water |
| Ceres, City of | Stanislaus | 54,513 | Community | Purchased surface water |
| Patterson, City of | Stanislaus | 24,977 | Community | Groundwater |
| Riverbank, City of | Stanislaus | 24,834 | Community | Groundwater |
| Oakdale, City of | Stanislaus | 23,235 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Mid Valley Ag, PWSID CA5000592, California”, https://aquacensus.com/water-systems/california/mid-valley-ag-ca5000592 (data as of October 1, 2026).