Public water system · ID2350015
ActiveLewiston Orchards Irrigation Dist
At a glance
Lewiston Orchards Irrigation Dist (PWSID ID2350015) is an active community water system in Nez Perce County, Idaho. It reports serving 20,000 people through 6,951 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
20,000
Service connections
6,951
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lewiston Orchards Irrigation Dist compare with other water systems in Nez Perce County?
By EPA's size categories, Lewiston Orchards Irrigation Dist is a large system (10,001 to 100,000 people). Nez Perce County has 25 active public water systems, and Lewiston Orchards Irrigation Dist is the largest of them by population served. Its population served is about 13 times the county average of 1,597 people per system, and accounts for 50% of the 39,929 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 Lewiston Orchards Irrigation Dist is about 198% above 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 Lewiston Orchards Irrigation Dist?
EPA lists Lewiston Orchards Irrigation Dist 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. 13 of the 25 active systems in Nez Perce County (52%) are also privately owned.
Does Lewiston Orchards Irrigation Dist have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between January 2017 and January 2021. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, 2,4-D, Heptachlor epoxide and Carbofuran. EPA lists 11 as archived and 1 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Archived |
The 12 most recent 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.
Lewiston Orchards Irrigation Dist: frequently asked questions
Who runs Lewiston Orchards Irrigation Dist?
Lewiston Orchards Irrigation Dist (PWSID ID2350015) is a community water system privately owned. It is regulated by the ID state drinking water program.
How many people does Lewiston Orchards Irrigation Dist serve?
Lewiston Orchards Irrigation Dist reports serving 20,000 people through 6,951 service connections in Nez Perce County, Idaho.
Where does Lewiston Orchards Irrigation Dist 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 Lewiston Orchards Irrigation Dist have any drinking water violations?
Of the 12 most recent violations in EPA's records, 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 Lewiston Orchards Irrigation Dist'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. Of the 12 most recent violations in EPA's records, 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 Lewiston Orchards Irrigation Dist's water quality report?
As a community water system, Lewiston Orchards Irrigation Dist 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 Nez Perce County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lewiston City of | Nez Perce | 15,001 | Community | Surface water |
| Clearwater Paper Corporation | Nez Perce | 1,550 | Non-transient non-community | Groundwater |
| Federal Cartridge Company | Nez Perce | 765 | Non-transient non-community | Groundwater |
| Red Pheasant Water Company LLC | Nez Perce | 480 | Community | Groundwater |
| Culdesac City of | Nez Perce | 382 | Community | Groundwater |
| Lapwai City of | Nez Perce | 325 | 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, “Lewiston Orchards Irrigation Dist, PWSID ID2350015, Idaho”, https://aquacensus.com/water-systems/idaho/lewiston-orchards-irrigation-dist-id2350015 (data as of October 1, 2026).