Water treatment

ID

Name

Description

1

discharge_tier1

None - unspecified aquatic environment

2

stagnant

None - stagnant sewer

3

fast_flowing

None - fast flowing sewer

4

centralised

Centralized aerobic treatment plant

5

sludge

Sludge anaerobic digestion - DEPRECATED

6

anaerobic_reactor

Anaerobic reactor

7

anaerobic_lagoon_shallow

Anaerobic lagoon - depth < 2m

8

anaerobic_lagoon_deep

Anaerobic lagoon - depth > 2m

9

discharge_tier2_other

None - other than reservoirs, lakes and estuaries

10

discharge_tier2

None - reservoirs, lakes and estuaries

11

surface_flow

Constructed Wetlands - Surface Flow

12

horizontal_subsurface_flow

Constructed Wetlands - Horizontal Subsurface Flow

13

vertical_subsurface_flow

Constructed Wetlands - Vertical Subsurface Flow