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Public water system · CA5500077

Active

Slide Inn Snowbowl Water Co

At a glance

Slide Inn Snowbowl Water Co (PWSID CA5500077) is an active community water system in Tuolumne County, California. It reports serving 417 people through 153 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2025.

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

Population served

417

Service connections

153

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA5500077
System typeCommunity water system
Activity statusActive
Population served417
Service connections153
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyTuolumne County

How does Slide Inn Snowbowl Water Co compare with other water systems in Tuolumne County?

By EPA's size categories, Slide Inn Snowbowl Water Co is a very small system (500 people or fewer). Tuolumne County has 117 active public water systems. Its population served is about 41% below the county average of 706 people per system, and accounts for 0.5% of the 82,611 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 Slide Inn Snowbowl Water Co 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. 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 Slide Inn Snowbowl Water Co?

EPA lists Slide Inn Snowbowl Water Co 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. 75 of the 117 active systems in Tuolumne County (64%) are also privately owned.

Does Slide Inn Snowbowl Water Co have drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2025. The violations listed here began between July 1993 and April 2025. By type: 2 contaminant level above the legal limit, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 5 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
2025-04-01MonitoringMonitoring, Lab Certification/Method Error (RTCR) · code 3DRevised Total Coliform Rulecode 8000NoResolved
2004-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2001-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1998-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 5 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.

Slide Inn Snowbowl Water Co: frequently asked questions

Who runs Slide Inn Snowbowl Water Co?

Slide Inn Snowbowl Water Co (PWSID CA5500077) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Slide Inn Snowbowl Water Co serve?

Slide Inn Snowbowl Water Co reports serving 417 people through 153 service connections in Tuolumne County, California.

Where does Slide Inn Snowbowl Water Co 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 Slide Inn Snowbowl Water Co have any drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2025. 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 Slide Inn Snowbowl Water Co'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 5 violations for this system; 2 are health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Slide Inn Snowbowl Water Co's water quality report?

As a community water system, Slide Inn Snowbowl Water Co 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 Tuolumne County

Water systemCountyPopulation servedTypeSource
Tud - Upper Basin Water SystemTuolumne13,280CommunitySurface water
Tud - Sonora/Jamestown Water SystemTuolumne11,054CommunitySurface water
Tud - Columbia Water SystemTuolumne5,463CommunitySurface water
Peppery Bar and Grill, theTuolumne4,500Transient non-communityGroundwater
Cdcr - Sierra Conservation CenterTuolumne3,571CommunitySurface water
Groveland Community Serv DistTuolumne3,400CommunitySurface 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, “Slide Inn Snowbowl Water Co, PWSID CA5500077, California”, https://aquacensus.com/water-systems/california/slide-inn-snowbowl-water-co-ca5500077 (data as of October 1, 2026).