Public water system · CA2900115
Active5 Mile House
At a glance
5 Mile House (PWSID CA2900115) is an active transient non-community water system in Nevada County, California. It reports serving 150 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does 5 Mile House compare with other water systems in Nevada County?
By EPA's size categories, 5 Mile House 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 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 5 Mile House is roughly in line with 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 5 Mile House?
EPA lists 5 Mile House as under public/private ownership. 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. 1 of the 82 active systems in Nevada County (1.2%) are also under public/private ownership.
Does 5 Mile House 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 5 Mile House. For the latest compliance status, check EPA ECHO for current compliance history.
5 Mile House: frequently asked questions
Who runs 5 Mile House?
5 Mile House (PWSID CA2900115) is a transient non-community water system under public/private ownership. It is regulated by the CA state drinking water program.
How many people does 5 Mile House serve?
5 Mile House reports serving 150 people through 1 service connection in Nevada County, California.
Where does 5 Mile House 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 5 Mile House have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is 5 Mile House'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 5 Mile House's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. 5 Mile House 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Truckee-Donner PUD, Main | Nevada | 36,730 | Community | Groundwater |
| Nevada Id - E. George, Banner Mountain | Nevada | 17,154 | Community | Surface water |
| Nevada Id - Loma Rica | Nevada | 14,072 | Community | Surface water |
| Nevada Id - Lake Wildwood | Nevada | 9,108 | Community | Surface water |
| Nevada Id - Lake of Pines | Nevada | 6,870 | Community | Surface water |
| City of Grass Valley | Nevada | 4,947 | Community | Surface 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, “5 Mile House, PWSID CA2900115, California”, https://aquacensus.com/water-systems/california/5-mile-house-ca2900115 (data as of October 1, 2026).