Public water system · OR4100342
ActiveGrants Pass, City of
At a glance
City of Grants Pass (PWSID OR4100342) is an active community water system in Josephine County, Oregon. It reports serving 37,138 people through 11,030 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
37,138
Service connections
11,030
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Grants Pass compare with other water systems in Josephine County?
By EPA's size categories, City of Grants Pass is a large system (10,001 to 100,000 people). Josephine County has 150 active public water systems, and City of Grants Pass is the largest of them by population served. Its population served is about 92 times the county average of 403 people per system, and accounts for 61% of the 60,442 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Grants Pass is about 5.5 times 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. Oregon has 940 active community water systems, 37% of the state's 2,536 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 211 Oregon systems (8.3%) list surface water as their primary source.
Who owns and regulates City of Grants Pass?
EPA lists City of Grants Pass as owned by a local government. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 32 of the 150 active systems in Josephine County (21%) are also owned by a local government.
Does City of Grants Pass have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 2023 and July 2025. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | 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.
City of Grants Pass: frequently asked questions
Who runs City of Grants Pass?
City of Grants Pass (PWSID OR4100342) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does City of Grants Pass serve?
City of Grants Pass reports serving 37,138 people through 11,030 service connections in Josephine County, Oregon.
Where does City of Grants Pass get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does City of Grants Pass 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 July 2025. 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 City of Grants Pass' 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 July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find City of Grants Pass' water quality report?
As a community water system, City of Grants Pass 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 Josephine County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rogue Community College | Josephine | 2,400 | Non-transient non-community | Purchased surface water |
| Cave Junction, City of | Josephine | 2,160 | Community | Surface water |
| Ote Manzanita Rest Area | Josephine | 1,200 | Transient non-community | Groundwater |
| Hidden Valley High | Josephine | 546 | Non-transient non-community | Groundwater |
| Lil Pantry Xpress Merlin | Josephine | 512 | Transient non-community | Groundwater |
| Galice Resort | Josephine | 500 | Transient non-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, “Grants Pass, City of, PWSID OR4100342, Oregon”, https://aquacensus.com/water-systems/oregon/grants-pass-city-of-or4100342 (data as of October 1, 2026).