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Public water system · CA3510502

Active

Pinnacles National Park Campground

At a glance

Pinnacles National Park Campground (PWSID CA3510502) is an active transient non-community water system in San Benito County, California. It reports serving 647 people through 55 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

647

Service connections

55

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3510502
System typeTransient non-community water system
Activity statusActive
Population served647
Service connections55
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySan Benito County

How does Pinnacles National Park Campground compare with other water systems in San Benito County?

By EPA's size categories, Pinnacles National Park Campground is a small system (501 to 3,300 people). San Benito County has 63 active public water systems. Its population served is about half of the county average of 1,312 people per system, and accounts for 0.8% of the 82,670 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 Pinnacles National Park Campground is about 4.5 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 Pinnacles National Park Campground?

EPA lists Pinnacles National Park Campground as owned by the federal government. 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. 3 of the 63 active systems in San Benito County (4.8%) are also owned by the federal government.

Does Pinnacles National Park Campground 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 Pinnacles National Park Campground. For the latest compliance status, check EPA ECHO for current compliance history.

Pinnacles National Park Campground: frequently asked questions

Who runs Pinnacles National Park Campground?

Pinnacles National Park Campground (PWSID CA3510502) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.

How many people does Pinnacles National Park Campground serve?

Pinnacles National Park Campground reports serving 647 people through 55 service connections in San Benito County, California.

Where does Pinnacles National Park Campground 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 Pinnacles National Park Campground have any drinking water violations?

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

Is Pinnacles National Park Campground'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 Pinnacles National Park Campground's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Pinnacles National Park Campground 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 San Benito County

Water systemCountyPopulation servedTypeSource
Hollister, City ofSan Benito26,017CommunityPurchased surface water
Sunnyslope County Water DistSan Benito24,954CommunityPurchased surface water
33rd District Agricultural AssociationSan Benito9,000Transient non-communityGroundwater
San Benito High SchoolSan Benito3,310Non-transient non-communityGroundwater
Aromas Water DistrictSan Benito2,988CommunityGroundwater
San Juan Bautista, City ofSan Benito2,335CommunityGroundwater

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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, “Pinnacles National Park Campground, PWSID CA3510502, California”, https://aquacensus.com/water-systems/california/pinnacles-national-park-campground-ca3510502 (data as of October 1, 2026).