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Public water system · CA0810300

Active

Del Norte Coast State Park - Mill Creek

At a glance

Del Norte Coast State Park - Mill Creek (PWSID CA0810300) is an active transient non-community water system in Del Norte County, California. It reports serving 1,051 people through 4 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

1,051

Service connections

4

Primary source

GU

Groundwater under influence of surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCA0810300
System typeTransient non-community water system
Activity statusActive
Population served1,051
Service connections4
Primary water sourceGroundwater under influence of surface water
Owner typeState government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyDel Norte County

How does Del Norte Coast State Park - Mill Creek compare with other water systems in Del Norte County?

By EPA's size categories, Del Norte Coast State Park - Mill Creek is a small system (501 to 3,300 people). Del Norte County has 31 active public water systems, and Del Norte Coast State Park - Mill Creek is the 5th-largest of them by population served. Its population served is roughly in line with the county average of 977 people per system, and accounts for 3.5% of the 30,300 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 Del Norte Coast State Park - Mill Creek is about 7.3 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 105 California systems (1.4%) list groundwater under influence of surface water as their primary source.

Who owns and regulates Del Norte Coast State Park - Mill Creek?

EPA lists Del Norte Coast State Park - Mill Creek as owned by a state 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. 4 of the 31 active systems in Del Norte County (13%) are also owned by a state government.

Does Del Norte Coast State Park - Mill Creek 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 Del Norte Coast State Park - Mill Creek. For the latest compliance status, check EPA ECHO for current compliance history.

Del Norte Coast State Park - Mill Creek: frequently asked questions

Who runs Del Norte Coast State Park - Mill Creek?

Del Norte Coast State Park - Mill Creek (PWSID CA0810300) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.

How many people does Del Norte Coast State Park - Mill Creek serve?

Del Norte Coast State Park - Mill Creek reports serving 1,051 people through 4 service connections in Del Norte County, California.

Where does Del Norte Coast State Park - Mill Creek get its water?

EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.

Does Del Norte Coast State Park - Mill Creek have any drinking water violations?

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

Is Del Norte Coast State Park - Mill Creek'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 Del Norte Coast State Park - Mill Creek's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Del Norte Coast State Park - Mill Creek 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 Del Norte County

Water systemCountyPopulation servedTypeSource
City of Crescent CityDel Norte17,262CommunityGroundwater
Bertsch Ocean View CsdDel Norte2,605CommunityPurchased groundwater
Smith River C.S.D.Del Norte2,568CommunityGroundwater
Jedediah Smith State ParkDel Norte2,208Transient non-communityGroundwater
Gasquet C.S.D.Del Norte657CommunitySurface water
Big Rock C.S.D.Del Norte513CommunityGroundwater

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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, “Del Norte Coast State Park - Mill Creek, PWSID CA0810300, California”, https://aquacensus.com/water-systems/california/del-norte-coast-state-park-mill-creek-ca0810300 (data as of October 1, 2026).