TREE SYSTEM
Orderly and progressive system of classification TA
CODE
CODEX " A "
TECHNOLOGIES TO
PROVIDE, STORING
AND TREATING WATER
USE AND CONSUMPTION
CODEX " S "
ADDRESSED
TO SANITATION
TECHNOLOGIES

Example

A:01            Collection
A:0101        Rainwater harvest
A:010101    Water harvesting on roofs

The more digits you
have, the more
detailed the categories

Then the tree with all classification levels and their respective codes is presented.


A01

Collection

Includes all appropriate technologies to harvest water for human, animal and irrigation use and / or consumption.

A0101

Rainwater harvest

Includes technologies used for rainwater harvesting. Includes the collection of rainwater on roofs and other prepared surfaces, be they coated or not.

A010101 Water harvesting on roofs
A010102 Water harvesting on coated surfaces
A010103 Water harvesting on uncoated surfaces
A010109 Other types of rainwater collection

A0102

Atmospheric water collection

includes those technologies used to obtain water from atmospheric moisture.

A010201 Dew harvest
A010202 Fog and breeze harvest
A010203 Condensation
A010209 Other types of atmospheric water collection

A0103

Infiltration

Includes those technologies that allow surface water to penetrate inner layers of soil.

A010301 Furrow diker
A010302 Soil aerators
A010303 Contour stone barriers
A010304 Contour vegetation barriers
A010309 Other types of infiltration

A0104

Water and soil conservation actions

includes those actions or practices applied to promote the sustainable use of water and soil.

A010401 Re-vegetation for groundwater recharge
A010402 Dense forested tracts
A010403 Dike rehabilitation and protection
A010404 Holistic planned grazing (rotational grazing)
A010409 Other types of water and soil conservation actions

A0109

Other types of water collection


A02

Extraction, pumping, transport and conduction

Includes all appropriate technologies that allow to extract, pump, transport, and conduct water for later use and / or consumption.

A0201

Well-digging or drilling

includes technologies for well perforation to extract groundwater.

A020101 Manual digging
A020102 Mechanical drilling
A020109 Other types of well digging or drilling

A0202

Pumping

Includes technologies that allow extracting water or raising it with pumps.

A020201 Pumps with animal and human traction

A02020101 Hand pumps
A02020102 Bicycle pumps
A02020103 Play wheel pumps
A02020104 Pedal pumps
A02020105 Rope pumps
A02020109 Other human and animal powered pumps

A020202 Wind-powered pumps
A020203 Solar pumps
A020204 Hydraulic pumps

A02020401 Ram pumps
A02020409 Other hydraulic pumps

A020209 Other types of pumps

A0203

Extraction

includes technologies different from wells and pumps that allow for water extraction.

A020301 Archimedes screw
A020302 Water pumping windmills
A020309 Other types of extraction

A0204

Transport and conduction

includes those technologies that allow transporting or conducting water from its origin or natural course to its destination.

A020401 Water transport devices
A020402 Aqueducts
A020409 Other conduction forms

A0209 Other types of extraction, pumping, transport and conduction

A03

Storage

Includes those technologies appropriate for water storage.

A0301

Tanks and cisterns

Includes tanks or cisterns used to store water intended for human, animal and irrigation use and / or consumption.

A030101 Underground brick cistern
A030102 Steel tanks
A030103 Galvanized mesh tanks
A030104 Plastic tanks

A03010401 Portable water tank (go to A0204 Water transporting devices)
A03010402 Stationary water tanks

A030105 Ferro-cement cistern
A030106 Capuchin-type cistern
A030107 Geo-membrane cistern
A030108 Lime stucco cistern
A030109 Reinforced concrete cistern
A030110 Auto-fill system cistern
A030199 Other tanks and cisterns

A0302

Water storage ponds

Includes coated excavations used to store rainwater that can be roofed or not.

A030201 Uncovered lined water pond
A030202 Covered lined water pond
A030203 Floating covered water pond?
A030209 Other types of ponds

A0303

Storage dams

Includes technologies to impound water from a river channel for later use.

A030301 Gabion dams
A030302 Reinforced earthen dams
A030303 Concrete dams
A030304 Geo-textile dams
A030305 Prepared jag?eyes
A030309 Other types of storage with dams

A0309

Other types of storage


A04

Treatment for use and consumption

Includes those technologies appropriate for treating water to make it suitable for human use and / or consumption.

A0401

Non-purifying filters

includes filters and strainers that eliminate and / or reduce solid matter without producing drinking water

A040101 Simple filters
A040102 Compound filters
A040109 Other non-purifying filters

A0402

Purification filters

includes those water purifying filters that make it fit for human consumption. They can be simple if only one type of treatment is used or compound if two or more types of treatment are required

A040201 Simple filters

A04020101 Sand filters
A04020102 Ceramic filters
A04020103 UV filters
A04020104 Textile filters
A04020105 Electrostatic filters
A04020106 Hollow fiber filters
A04020207 Activated carbon filters

A040202 Compound filters
A040209 Other water purification filters

A0403

Chemical treatments

includes technologies that allow obtaining potable water by chemical treatments

A040301 Chlorine dispensers
A040302 Saltwater to chlorine converters
A040309 Other chemical treatments

A0404

Solar disinfection

includes those technologies that use sunlight for water disinfection

A0405

Treatment with ozone

includes those technologies that use ozone for water disinfection

A0406

Distillation

includes those technologies that use a distillation process for water disinfection

A0407

Desalination

Technologies that are used to remove salt from seawater and brackish water

A0409

Other types of water treatment for use and consumption

A05

Efficient use

All appropriate technologies that promote more efficient water use

A0501

Domestic devices

includes devices for more efficient water use that can be installed at home.

A050101 Water saving faucets
A050102 Efficient showers
A050109 Other types of household devices

A0502

Irrigation systems

includes irrigation technologies that allow for a more efficient water use.

A050201 Drip irrigation system
A050202 Artisan irrigation
A050203 Sprinkling
A050204 Bottom discharge tank
A050205 Misting
A050206 Absorbent substrates
A050209 Other types of irrigation systems

A0509

Other types of efficient water use

S01

Hygiene and feces disposal

Includes the different types of facilities or services designed for proper disposal of feces and associated hygiene measures

S0101

Bathrooms, latrines and pits

includes different types of facilities that enable the disposal of feces, with or without use of water.

S010101 Bathrooms with water
S010102 Bathrooms without water

S01010201 Bathrooms with separation
S01010201 Bathrooms without separation

S0102

Hand washing systems

includes devices and facilities for hand cleansing.

S0109

Other technologies for hygiene and feces disposal

S02

Treatment of residual and/or wastewater

Includes appropriate technologies to treat residual and/or wastewater.

S0201

Filters

includes all those filters designed to treat residual water, either gray water or sewage.

S020101 Gray water treatment
S020102 Sewage treatment
S020103 Anaerobic filter
S020109 Other filters

S0202

Grease traps and digesters

includes technologies that allow collecting and / or digesting fats and oils from sewage.

S0203

Constructed wetlands

includes technologies that artificially reproduce natural contaminant removal processes used to treat wastewater.

S020301 Free surface flow wetland
S020302 Horizontal subsurface flow constructed wetland
S020303 Vertical flow wetland
S020309 Other types of constructed wetlands

S0204

Biodigesters and other reactors

includes those technologies that allow treating wastewater by means of anaerobic (oxygen free) processes that biologically digest organic matter.

S020401 Anaerobic biogas reactor
S020402 Up-flow anaerobic sludge blanket reactor
S020403 Anaerobic baffled reactor
S020404 Biodigesters
S020509 Other types of reactors

S0205

Small scale sewage treatment plants

includes those technologies using several types of wastewater treatment at the same time.

S0209

Other technologies for residual wastewater treatment

S03

Sludge waste treatment

Includes appropriate technologies to treat sludge resulting from wastewater treatment.

S0301

Stabilization

includes technologies that allow to reduce the content of pathogenic microorganism present in sludge.

S0302

Desiccation

includes technologies that allow evaporating the water contained in sludge waste.

S0303

Disinfection

includes technologies used to disinfect sludge waste.

S0309

Other types of sludge treatment

S04

Waste utilization

Includes appropriate technologies to make use of waste generated by human activity, such as feces and other organic residue.

S0401

Compost

includes technologies that allow for the decomposition of organic matter with a final product usable for fertilizing.

S040101 Vermicompost
S040109 Other types of compost

S0402

Urine utilization

includes technologies that allow using urine as a fertilizer.

S040201 Urinoponics (pee-recycling)
S040202 Struvite production
S040209 Other types of urine utilization

S0409

Other types of waste utilization