WWTP ENNIS WWTP

The year refers to the inventory or source; it does not establish an individual observation date or current operation. Source note (original text): South Carolina uses 2008 because it did not participate in 2012. CSV has no state or per-row year field. This is not CWNS 2022.

Montana · official identifier HW:32500

1,250reported population served (people) (2012) · 8266th of 14,626 (tied with 15 others)

HydroWASTE v1.0 / United States · official identifier HW:32500 · reported size 1,250 reported population served (people) · reported treatment: Secondary · data year 2012. 8266th of 14,626 records with reported size in the inventory of United States (tied with 15 others); < 0.01 % of the sum of those 14,626 records in people served (sum of records, not national capacity); nearest inventoried plant at 19.6 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 scientific inventory · 2012

1,250reported population served (people)

8266th of 14,626by reported size among the 14,626 records with a size in the inventory (tied with 15 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

Treatment	Secondary · reported levels
Reported coordinates	45.3530, -111.7190 position validation in the source: medium what it means
Source and year	HydroWASTE v1.0 / United States · dataset record

REGULATORY REFERENCES

Referencia normativa: United States

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

LOCATION

Montana: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

Plant	Distance	reported population served (people)	Treatment
VIRGINIA CITY WWTP	19.6 km	120	Secondary
ALDER MADISON CSD	30.5 km	180	Secondary
BIG SKY CO WandS DIST	37.9 km	3,000	Secondary
SHERIDAN WWTP · HW:32583	40.0 km	685	Secondary
TWIN BRIDGES WWTP	52.3 km	407	Secondary

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP ENNIS WWTP report?

Reported size: 1,250 reported population served (people). 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 · HydroWASTE v1.0 / United States · data 2012 · edition 2012 · source licence: CC BY 4.0 · JSON for this plant · suggest a correction · catalogue 2026-11-06. Reported data, not a current inspection; no compliance judgements.