Worldwide wastewater treatment observatory · United States · Maryland

Aguas SB Observatory · public data to understand water

WWTP WESTMINSTER WWTP · Westminster

Westminster · official identifier CWNS2022_24000012001

5.07MGD reported design flow (2022) · 1547th of 15,772

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_24000012001 · reported size 5.07 MGD reported design flow · reported treatment: Advanced · data year 2022. 1547th 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 6.5 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

5.07MGD reported design flow
1547th 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 coordinates39.5581, -77.0392 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

Maryland: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistanceMGD reported design flowTreatment
NEW WINDSOR WWTP6.5 km0.12Advanced
Pleasant Valley WWTP8.5 km0.02Secondary
Runnymede WWTP9.6 km0.02Secondary
UNION BRIDGE WWTP12.4 km0.21Secondary
South Carroll High School WWTP12.8 km0.02Secondary

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP WESTMINSTER WWTP · Westminster report?

Reported size: 5.07 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.