Skip to content
AquaCensus

Public water system · CA2900090

Active

Harmony Ridge Lodge

At a glance

Harmony Ridge Lodge (PWSID CA2900090) is an active transient non-community water system in Nevada County, California. It reports serving 30 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

30

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA2900090
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyNevada County

How does Harmony Ridge Lodge compare with other water systems in Nevada County?

By EPA's size categories, Harmony Ridge Lodge is a very small system (500 people or fewer). Nevada County has 82 active public water systems. Its population served is well below the county average of 1,263 people per system, and accounts for less than 0.1% of the 103,540 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 Harmony Ridge Lodge is well below 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 Harmony Ridge Lodge?

EPA lists Harmony Ridge Lodge 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. 49 of the 82 active systems in Nevada County (60%) are also privately owned.

Does Harmony Ridge Lodge 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 Harmony Ridge Lodge. For the latest compliance status, check EPA ECHO for current compliance history.

Harmony Ridge Lodge: frequently asked questions

Who runs Harmony Ridge Lodge?

Harmony Ridge Lodge (PWSID CA2900090) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Harmony Ridge Lodge serve?

Harmony Ridge Lodge reports serving 30 people through 2 service connections in Nevada County, California.

Where does Harmony Ridge Lodge 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 Harmony Ridge Lodge have any drinking water violations?

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

Is Harmony Ridge Lodge'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 Harmony Ridge Lodge's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Harmony Ridge Lodge 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 Nevada County

Water systemCountyPopulation servedTypeSource
Truckee-Donner PUD, MainNevada36,730CommunityGroundwater
Nevada Id - E. George, Banner MountainNevada17,154CommunitySurface water
Nevada Id - Loma RicaNevada14,072CommunitySurface water
Nevada Id - Lake WildwoodNevada9,108CommunitySurface water
Nevada Id - Lake of PinesNevada6,870CommunitySurface water
City of Grass ValleyNevada4,947CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Harmony Ridge Lodge, PWSID CA2900090, California”, https://aquacensus.com/water-systems/california/harmony-ridge-lodge-ca2900090 (data as of October 1, 2026).