Worldwide wastewater treatment observatory · United States · Arkansas

Aguas SB Observatory · public data to understand water

WWTP Little Rock - Little Maumelle WWTP

Little Rock · official identifier CWNS2022_05000001009

4MGD reported design flow (2022) · 1862nd of 15,772 (tied with 150 others)

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_05000001009 · reported size 4 MGD reported design flow · reported treatment: Advanced · data year 2022. 1862nd of 15,772 records with reported size in the inventory of United States (tied with 150 others); < 0.01 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 14.1 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

4MGD reported design flow
1862nd of 15,772by reported size among the 15,772 records with a size in the inventory (tied with 150 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
TreatmentAdvanced · reported levels
Reported coordinates34.8205, -92.4873 precision reported by the source: 4 m what it means
Source and yearEPA Clean Watersheds Needs Survey 2022 · dataset record

REGULATORY REFERENCES

Regulatory reference: United States

Regulatory framework of United States. Individual applicability is not determined in this profile.

LOCATION

Arkansas: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistanceMGD reported design flowTreatment
North Little Rock - White Oak Bayou14.1 km8.5Secondary
Saline Co W&SFB WWTP23.0 km0.2Advanced
Shannon Hills WWTP23.8 km0.64Advanced
Runyan Acres SID 21124.9 km0.7Advanced
Bryant WWTP · Bryant · CWNS2022_0500002500125.2 km3Advanced

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP Little Rock - Little Maumelle WWTP report?

Reported size: 4 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.