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Public water system · SD4602375

Active

Hidden Lake Cg and Resort

At a glance

Hidden Lake Cg and Resort (PWSID SD4602375) is an active transient non-community water system in Fall River County, South Dakota. It reports serving 57 people through 25 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

57

Service connections

25

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDSD4602375
System typeTransient non-community water system
Activity statusActive
Population served57
Service connections25
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedHot Springs
StateSouth Dakota
ZIP57747
CountyFall River County

How does Hidden Lake Cg and Resort compare with other water systems in Fall River County?

By EPA's size categories, Hidden Lake Cg and Resort is a very small system (500 people or fewer). Fall River County has 13 active public water systems. Its population served is well below the county average of 492 people per system, and accounts for 0.9% of the 6,400 people reported by systems filed under the county. Across South Dakota, the 699 active systems average 1,387 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hidden Lake Cg and Resort is about 60% 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. South Dakota has 173 active transient non-community water systems, 25% of the state's 699 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 431 South Dakota systems (62%) list groundwater as their primary source.

Who owns and regulates Hidden Lake Cg and Resort?

EPA lists Hidden Lake Cg and Resort as privately owned. The SD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 13 active systems in Fall River County (38%) are also privately owned.

Does Hidden Lake Cg and Resort 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 Hidden Lake Cg and Resort. For the latest compliance status, check EPA ECHO for current compliance history.

Hidden Lake Cg and Resort: frequently asked questions

Who runs Hidden Lake Cg and Resort?

Hidden Lake Cg and Resort (PWSID SD4602375) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Hidden Lake Cg and Resort serve?

Hidden Lake Cg and Resort reports serving 57 people through 25 service connections in Fall River County, South Dakota.

Where does Hidden Lake Cg and Resort 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 Hidden Lake Cg and Resort have any drinking water violations?

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

Is Hidden Lake Cg and Resort'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 SD state drinking water program.

Where can I find Hidden Lake Cg and Resort's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Hidden Lake Cg and Resort 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 Fall River County

Water systemCountyPopulation servedTypeSource
Hot SpringsFall River3,395CommunityGroundwater
Fall River WudFall River1,057CommunityGroundwater
EdgemontFall River725CommunityGroundwater
Hot Springs Va CenterFall River445CommunityGroundwater
State Veterans HomeFall River205Non-transient non-communityGroundwater
Paradise Cove, LLCFall River167Transient non-communityGroundwater

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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, “Hidden Lake Cg and Resort, PWSID SD4602375, South Dakota”, https://aquacensus.com/water-systems/south-dakota/hidden-lake-cg-and-resort-sd4602375 (data as of October 1, 2026).