Worldwide wastewater treatment observatory · United States · Colorado

Aguas SB Observatory · public data to understand water

WWTP JOHNSTOWN STP

Johnstown · official identifier CWNS2022_08000113001

1.49MGD reported design flow (2022) · 3853rd of 15,772

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_08000113001 · reported size 1.49 MGD reported design flow · reported treatment: Advanced · data year 2022. 3853rd of 15,772 records with reported size in the inventory of United States; < 0.01 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 3.4 km · 3 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

1.49MGD reported design flow
3853rd of 15,772by reported size among the 15,772 records with a size in the inventory · < 0.01 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated
TreatmentAdvanced · reported levels
Reported coordinates40.4020, -104.9668 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

Colorado: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistanceMGD reported design flowTreatment
Thompson Crossing #1 MD3.4 km0.5Advanced
LOVELAND WWTP7.3 km10Advanced
WINDSOR WWTP · Windsor · CWNS2022_080001140018.9 km2.8Advanced
SOUTH FORT COLLINS WWTP10.6 km4.5Advanced
MILLIKEN, Town of13.3 km0.7Secondary

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP JOHNSTOWN STP report?

Reported size: 1.49 MGD reported design flow. Units are retained without conversion.

What treatment is reported?

Treatment Advanced. 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.