Public water system · ID1090200
ActiveMountain Springs Water Corporation
At a glance
Mountain Springs Water Corporation (PWSID ID1090200) is an active community water system in Bonner County, Idaho. It reports serving 338 people through 135 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
338
Service connections
135
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mountain Springs Water Corporation compare with other water systems in Bonner County?
By EPA's size categories, Mountain Springs Water Corporation is a very small system (500 people or fewer). Bonner County has 140 active public water systems. Its population served is about 22% above the county average of 276 people per system, and accounts for 0.9% of the 38,696 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Mountain Springs Water Corporation 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. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.
Who owns and regulates Mountain Springs Water Corporation?
EPA lists Mountain Springs Water Corporation as privately owned. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 101 of the 140 active systems in Bonner County (72%) are also privately owned.
Does Mountain Springs Water Corporation have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2021. The violations listed here began between January 2000 and January 2021. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2000-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Mountain Springs Water Corporation: frequently asked questions
Who runs Mountain Springs Water Corporation?
Mountain Springs Water Corporation (PWSID ID1090200) is a community water system privately owned. It is regulated by the ID state drinking water program.
How many people does Mountain Springs Water Corporation serve?
Mountain Springs Water Corporation reports serving 338 people through 135 service connections in Bonner County, Idaho.
Where does Mountain Springs Water Corporation 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 Mountain Springs Water Corporation have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2021. 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 Mountain Springs Water Corporation'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; none is health-based, and the most recent began in January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.
Where can I find Mountain Springs Water Corporation's water quality report?
As a community water system, Mountain Springs Water Corporation 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 Bonner County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sandpoint Public Works Dept | Bonner | 12,284 | Community | Surface water |
| Schweitzer Mountain Resort | Bonner | 3,301 | Non-transient non-community | Groundwater |
| Priest River City of | Bonner | 2,173 | Community | Surface water |
| Oden Water Assn Inc. | Bonner | 1,524 | Community | Surface water |
| Schweitzer Basin Water Company | Bonner | 955 | Community | Groundwater |
| Stoneridge Utilities | Bonner | 940 | Community | Groundwater |
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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, “Mountain Springs Water Corporation, PWSID ID1090200, Idaho”, https://aquacensus.com/water-systems/idaho/mountain-springs-water-corporation-id1090200 (data as of October 1, 2026).