Worldwide wastewater treatment observatory · 
United States · Washington
Aguas SB Observatory · public data to understand water
WWTP ST JOHN WWTP · Saint John · CWNS2022_53002270001
Saint John · official identifier CWNS2022_53002270001
0.1MGD reported design flow (2022) · 10740th of 15,772 (tied with 414 others)
EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_53002270001 · reported size 0.1 MGD reported design flow · reported treatment: Secondary · data year 2022. 10740th of 15,772 records with reported size in the inventory of United States (tied with 414 others); < 0.01 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 19.7 km. Reported data with their source; estimates are not measurements of the plant.
Aguas SB does not manage this wastewater treatment plant.
WHAT THE DATA REPORT
Reported data official data · 2022
| Treatment | Secondary · reported levels |
|---|---|
| Reported coordinates | 47.0936, -117.5879 precision reported by the source: 4 m what it means |
| Source and year | EPA Clean Watersheds Needs Survey 2022 · dataset record |
REGULATORY REFERENCES
Referencia normativa: United States
Regulatory framework of United States. Individual applicability is not determined in this profile.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | MGD reported design flow | Treatment |
|---|---|---|---|
| ENDICOTT STP | 19.7 km | 0.12 | Secondary |
| STEPTOE SEWER DISTRICT 1 | 20.4 km | 0.03 | Primary |
| ROSALIA STP | 23.1 km | 0.13 | Secondary |
| WILLIAMS LAKE SEWER DISTRICT NO 2 | 26.8 km | 0.17 | Primary |
| OAKESDALE S/T FACILITY | 27.4 km | 0.11 | Secondary |
Distances are between reported coordinates; proximity does not establish a hydraulic connection.
QUESTIONS
Frequently asked questions about this plant
What capacity does WWTP ST JOHN WWTP · Saint John · CWNS2022_53002270001 report?
Reported size: 0.1 MGD reported design flow. Units are retained without conversion.
What treatment is reported?
Treatment Secondary. Nitrogen, phosphorus and UV are shown only when explicitly reported.
SOURCE AND CORRECTIONS
Source
reported data · EPA Clean Watersheds Needs Survey 2022 · data 2022 · edition 2022 · source licence: Public domain (EPA geospatial default; see LICENCIA.txt) · JSON for this plant · suggest a correction · catalogue 2026-11-06. Reported data, not a current inspection; no compliance judgements.