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Public water system · CA2400208

Active

Mercey Springs Shell

At a glance

Mercey Springs Shell (PWSID CA2400208) is an active transient non-community water system in Merced County, California. It reports serving 48 people through 1 service connection. Its primary water source is surface water, 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

48

Service connections

1

Primary source

SW

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCA2400208
System typeTransient non-community water system
Activity statusActive
Population served48
Service connections1
Primary water sourceSurface water
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyMerced County

How does Mercey Springs Shell compare with other water systems in Merced County?

By EPA's size categories, Mercey Springs Shell is a very small system (500 people or fewer). Merced County has 120 active public water systems. Its population served is well below the county average of 2,228 people per system, and accounts for less than 0.1% of the 267,324 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mercey Springs Shell is about 67% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.

Who owns and regulates Mercey Springs Shell?

EPA lists Mercey Springs Shell 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. 80 of the 120 active systems in Merced County (67%) are also privately owned.

Does Mercey Springs Shell 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 Mercey Springs Shell. For the latest compliance status, check EPA ECHO for current compliance history.

Mercey Springs Shell: frequently asked questions

Who runs Mercey Springs Shell?

Mercey Springs Shell (PWSID CA2400208) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Mercey Springs Shell serve?

Mercey Springs Shell reports serving 48 people through 1 service connection in Merced County, California.

Where does Mercey Springs Shell get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Mercey Springs Shell have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Mercey Springs Shell'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 Mercey Springs Shell's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mercey Springs Shell is a 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 Merced County

Water systemCountyPopulation servedTypeSource
City of MercedMerced93,692CommunityGroundwater
City of Los BanosMerced47,419CommunityGroundwater
City of AtwaterMerced29,479CommunityGroundwater
City of LivingstonMerced14,894CommunityGroundwater
Winton Water & Sanitary DistMerced9,745CommunityGroundwater
Delhi CwdMerced7,784CommunityGroundwater

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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, “Mercey Springs Shell, PWSID CA2400208, California”, https://aquacensus.com/water-systems/california/mercey-springs-shell-ca2400208 (data as of October 1, 2026).