Worldwide wastewater treatment observatory · United States · Connecticut

Aguas SB Observatory · public data to understand water

WWTP KILLINGLY WPCF

Danielson · official identifier CWNS2022_09000690001

8MGD reported design flow (2022) · 1049th of 15,772 (tied with 58 others)

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_09000690001 · reported size 8 MGD reported design flow · reported treatment: Secondary · data year 2022. 1049th of 15,772 records with reported size in the inventory of United States (tied with 58 others); 0.02 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 7.6 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

8MGD reported design flow
1049th of 15,772by reported size among the 15,772 records with a size in the inventory (tied with 58 others) · 0.02 % 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 coordinates41.7947, -71.8847 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

Connecticut: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistanceMGD reported design flowTreatment
Quinebaug Fish Hatchery7.6 km0.3Advanced
PLAINFIELD NORTH WPCF8.8 km1.08Secondary
PUTNAM W P C F12.5 km2.91Advanced
PLAINFIELD VILLAGE WPCF14.4 km0.71Secondary
THOMPSON, TOWN OF15.5 km1.35Advanced

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP KILLINGLY WPCF report?

Reported size: 8 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.