Public water system · ID5320006
ActiveShoshone Water Works
At a glance
Shoshone Water Works (PWSID ID5320006) is an active community water system in Lincoln County, Idaho. It reports serving 1,653 people through 735 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,653
Service connections
735
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Shoshone Water Works compare with other water systems in Lincoln County?
By EPA's size categories, Shoshone Water Works is a small system (501 to 3,300 people). Lincoln County has 6 active public water systems, and Shoshone Water Works is the largest of them by population served. Its population served is about 3.6 times the county average of 458 people per system, and accounts for 60% of the 2,745 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 Shoshone Water Works 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 Shoshone Water Works?
EPA lists Shoshone Water Works as owned by a local government. 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. 3 of the 6 active systems in Lincoln County (50%) are also owned by a local government.
Does Shoshone Water Works have drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2015. The violations listed here began between June 1991 and January 2015. By type: 6 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorine (4 of them). EPA lists 6 as archived and 2 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2006-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 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.
Shoshone Water Works: frequently asked questions
Who runs Shoshone Water Works?
Shoshone Water Works (PWSID ID5320006) is a community water system owned by a local government. It is regulated by the ID state drinking water program.
How many people does Shoshone Water Works serve?
Shoshone Water Works reports serving 1,653 people through 735 service connections in Lincoln County, Idaho.
Where does Shoshone Water Works 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 Shoshone Water Works have any drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2015. 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 Shoshone Water Works' 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 8 violations for this system; 2 are health-based, and the most recent began in January 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.
Where can I find Shoshone Water Works' water quality report?
As a community water system, Shoshone Water Works 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Richfield City of | Lincoln | 501 | Community | Groundwater |
| Dietrich Water System | Lincoln | 450 | Community | Groundwater |
| Sunnyhills | Lincoln | 61 | Community | Groundwater |
| Sunset Mobile Home Park | Lincoln | 55 | Community | Groundwater |
| Midway Business Park, LLC | Lincoln | 25 | Transient non-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, “Shoshone Water Works, PWSID ID5320006, Idaho”, https://aquacensus.com/water-systems/idaho/shoshone-water-works-id5320006 (data as of October 1, 2026).