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Public water system · CA4400906

Active

Mystery Spot Snack Shack

At a glance

Mystery Spot Snack Shack (PWSID CA4400906) is an active transient non-community water system in Santa Cruz County, California. It reports serving 500 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2020.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

500

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA4400906
System typeTransient non-community water system
Activity statusActive
Population served500
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Cruz County

How does Mystery Spot Snack Shack compare with other water systems in Santa Cruz County?

By EPA's size categories, Mystery Spot Snack Shack is a very small system (500 people or fewer). Santa Cruz County has 96 active public water systems. Its population served is well below the county average of 2,856 people per system, and accounts for 0.2% of the 274,204 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 Mystery Spot Snack Shack is about 3.5 times 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. 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 Mystery Spot Snack Shack?

EPA lists Mystery Spot Snack Shack 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. 76 of the 96 active systems in Santa Cruz County (79%) are also privately owned.

Does Mystery Spot Snack Shack have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2020. The violations listed here began between January 2020 and July 2020. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Nitrate. EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2020-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Mystery Spot Snack Shack: frequently asked questions

Who runs Mystery Spot Snack Shack?

Mystery Spot Snack Shack (PWSID CA4400906) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Mystery Spot Snack Shack serve?

Mystery Spot Snack Shack reports serving 500 people through 2 service connections in Santa Cruz County, California.

Where does Mystery Spot Snack Shack 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 Mystery Spot Snack Shack have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Mystery Spot Snack Shack'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 records list 2 violations for this system; none is health-based, and the most recent began in July 2020. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Mystery Spot Snack Shack's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mystery Spot Snack Shack 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 Santa Cruz County

Water systemCountyPopulation servedTypeSource
Santa Cruz Water DepartmentSanta Cruz94,626CommunitySurface water
Watsonville, City ofSanta Cruz65,231CommunitySurface water
Soquel Creek Water DistrictSanta Cruz40,809CommunityPurchased surface water
San Lorenzo Valley Water DistSanta Cruz21,145CommunitySurface water
Cabrillo CollegeSanta Cruz12,000Non-transient non-communityGroundwater
Scotts Valley Water DistrictSanta Cruz11,197CommunityGroundwater

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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, “Mystery Spot Snack Shack, PWSID CA4400906, California”, https://aquacensus.com/water-systems/california/mystery-spot-snack-shack-ca4400906 (data as of October 1, 2026).