City of Palouse

Sewer operator · Washington · Palouse

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

Ringed dots mark treatment plant outfalls. Square boat markers mark boat launches listed by OpenBoatLaunch.

Federal wastewater discharge permit (NPDES): WA0044806
Wastewater outlets: 1 treatment plant outfall listed by EPA or state agencies; no combined sewer outfall is listed · List
Waters listed as receiving wastewater: Palouse R.
Tracked waters: Palouse River, WA
Discharge records counted: 0 records
Total reported volume in these records: No numeric volumes are available in these tracked records.

These totals reflect the records we track. Missing volumes and gaps in reporting limit comparisons between operators.

Sources: EPA ECHO and the operator and state sources linked below. Counts use the discharge records on this page. Updated 2026-11-06 06:13 UTC.

Public notices and alerts

Pages where City of Palouse or the state publishes its notices (check them for an alert sign-up):

ecology.wa.gov/water-shorelines/water-quality/wastewater/sewage-spills

Its public-notice channels

State alert page · Required by a permit (WA0044806)
Read as a feed

Individual permit WA0044806: the permittee reports each spill to Ecology under the permit's noncompliance notification (permit text not read); RCW 90.48.636(1): Ecology "must post on the website notice of the reported sewage spill" for every sewage spill "reported to the department under individual water quality permits for discharges that contain sewage"

Source: City of Palouse's public notice and alert pages and the state's notification records; DirtyWaterWatch register of public-notice channels and its page monitor.

Report a missing notice or error

Wastewater outlets

Outfall: a pipe or outlet where wastewater enters a water body.

1 treatment plant outfall listed by EPA or state agencies; no combined sewer outfall is listed.

Treatment plant outfalls

1 outfall

Outfall 001 · receiving water in the permit: Palouse R. · Palouse River, WA · status not published

Source: U.S. Environmental Protection Agency (EPA) permit records (ICIS-NPDES permitted features): where a treatment plant’s permitted discharge leaves. No national source says whether a plant outfall is open or closed.

Reports and advisories

No reports are linked to this operator yet.

Other sewer operators on these waters

Palouse River, WA: City of Colfax

The last 90 days

Last 90 days, hour by hour. Red: discharge or advisory reported. Amber: caution. Hatched amber: end not confirmed. Plum: algal bloom advisory. Red or amber with a light line inside: beach advisory or caution. Dotted: monthly report (days with discharge, dates not given). Grey: no current status on the water outline. Purple hatching: a status resting on a source that could not be checked on schedule.

No discharge, advisory or caution periods are shown for the waters this sewer operator's reports were placed on in this time span. Check downstream stretches and source coverage.

Source: DirtyWaterWatch calculations using the reports named above and the published status rules. Updated 2026-11-06 06:13 UTC.

Reported discharges over time

Historical charts are not available here. See the reports and sources on this page.