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AquaCensus

Public water system · CA1210022

Active

Resort Improvement District #1

At a glance

Resort Improvement District #1 (PWSID CA1210022) is an active community water system in Humboldt County, California. It reports serving 803 people through 652 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in May 2019.

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

Population served

803

Service connections

652

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCA1210022
System typeCommunity water system
Activity statusActive
Population served803
Service connections652
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyHumboldt County

How does Resort Improvement District #1 compare with other water systems in Humboldt County?

By EPA's size categories, Resort Improvement District #1 is a small system (501 to 3,300 people). Humboldt County has 90 active public water systems. Its population served is about half of the county average of 1,486 people per system, and accounts for 0.6% of the 133,779 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Resort Improvement District #1 is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Resort Improvement District #1?

EPA lists Resort Improvement District #1 as owned by a local 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. 33 of the 90 active systems in Humboldt County (37%) are also owned by a local government.

Does Resort Improvement District #1 have drinking water violations?

EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in May 2019. The violations listed here began between June 1993 and May 2019. By type: 2 required treatment not met, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 4 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
2019-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2006-01-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-06-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved

All 4 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.

Resort Improvement District #1: frequently asked questions

Who runs Resort Improvement District #1?

Resort Improvement District #1 (PWSID CA1210022) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Resort Improvement District #1 serve?

Resort Improvement District #1 reports serving 803 people through 652 service connections in Humboldt County, California.

Where does Resort Improvement District #1 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 Resort Improvement District #1 have any drinking water violations?

EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in May 2019. 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 Resort Improvement District #1'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 4 violations for this system; 2 are health-based, and the most recent began in May 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Resort Improvement District #1's water quality report?

As a community water system, Resort Improvement District #1 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Humboldt County

Water systemCountyPopulation servedTypeSource
Eureka, City ofHumboldt27,078CommunityPurchased groundwater
Arcata, City ofHumboldt20,875CommunityPurchased groundwater
Humboldt C.S.D.Humboldt19,807CommunityGroundwater
Mckinleyville C.S.D.Humboldt16,900CommunityPurchased groundwater
Fortuna, City ofHumboldt12,133CommunityGroundwater
Rio Dell, City ofHumboldt3,300CommunitySurface water

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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, “Resort Improvement District #1, PWSID CA1210022, California”, https://aquacensus.com/water-systems/california/resort-improvement-district-1-ca1210022 (data as of October 1, 2026).