Worldwide wastewater treatment observatory · United States · Kansas

Aguas SB Observatory · public data to understand water

WWTP COLWICH WWTP

Colwich · official identifier CWNS2022_20000124001

0.19MGD reported design flow (2022) · 9128th of 15,772 (tied with 3 others)

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_20000124001 · reported size 0.19 MGD reported design flow · reported treatment: Secondary · data year 2022. 9128th of 15,772 records with reported size in the inventory of United States (tied with 3 others); < 0.01 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 6.8 km · 2 within 10 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

0.19MGD reported design flow
9128th of 15,772by reported size among the 15,772 records with a size in the inventory (tied with 3 others) · < 0.01 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated
TreatmentSecondary · reported levels
Reported coordinates37.7788, -97.5539 precision reported by the source: 4 m what it means
Source and yearEPA 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.

LOCATION

Kansas: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistanceMGD reported design flowTreatment
ANDALE WWTP6.8 km0.08Secondary
MAIZE WWTP8.0 km0.5Advanced
GODDARD WWTP12.1 km0.8Advanced
BENTLEY WWTP12.4 km0.06Secondary
MOUNT HOPE WWTP · Mount Hope · CWNS2022_2000016100116.2 km0.08Secondary

Distances are between reported coordinates; proximity does not establish a hydraulic connection.

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP COLWICH WWTP report?

Reported size: 0.19 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.