Public water system · OR4100297

Active

Falls City, City of

At a glance

City of Falls City (PWSID OR4100297) is an active community water system in Polk County, Oregon. It reports serving 1,051 people through 468 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 January 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

1,051

Service connections

468

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDOR4100297

System typeCommunity water system

Activity statusActive

Population served1,051

Service connections468

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyOR state drinking water program

City served—

StateOregon

ZIP—

CountyPolk County

How does City of Falls City compare with other water systems in Polk County?

By EPA's size categories, City of Falls City is a small system (501 to 3,300 people). Polk County has 29 active public water systems. Its population served is about 43% below the county average of 1,851 people per system, and accounts for 2% of the 53,687 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 Falls City 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. 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 Falls City?

EPA lists City of Falls City 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. 8 of the 29 active systems in Polk County (28%) are also owned by a local government.

Does City of Falls City 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 2025. The violations listed here began between February 2019 and January 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (7 of them). EPA lists 12 as resolved. 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
2025-01-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2025-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2025-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2024-10-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2023-08-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2023-08-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2023-08-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2020-05-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2020-05-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2020-05-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2019-02-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2019-02-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved

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 Falls City: frequently asked questions

Who runs City of Falls City?

City of Falls City (PWSID OR4100297) 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 Falls City serve?

City of Falls City reports serving 1,051 people through 468 service connections in Polk County, Oregon.

Where does City of Falls City 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 Falls City 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 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 Falls City'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 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 Falls City's water quality report?

As a community water system, City of Falls City 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 Polk County

Water system	County	Population served	Type	Source
Dallas, City of	Polk	17,911	Community	Surface water
Monmouth, City of	Polk	11,651	Community	Groundwater under influence of surface water
Independence Water System	Polk	10,300	Community	Groundwater
Luckiamute Domestic Water Coop	Polk	2,738	Community	Purchased surface water
Perrydale Domestic Wtr Assn	Polk	2,655	Community	Groundwater
Grand Ronde Community Wtr Assn	Polk	2,500	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, “Falls City, City of, PWSID OR4100297, Oregon”, https://aquacensus.com/water-systems/oregon/falls-city-city-of-or4100297 (data as of October 1, 2026).