Indicators For Liquid Waste Management

     A village can be said to have attained an ideal situation with respect to LWM if it shows following indicators

  1. Physical indicators (First sight indicators)
    1. Dry environment
      No flowing waste water seen. Roads & lanes free of stagnated or flowing waste water Open spaces near houses not converted into ditches. Public water points (stand posts / wells / hand pumps) not engulfed with stagnated waste water. Low lying areas of the village also not showing stagnation of waste water. Open roadside drains if existed used only as storm water drains & are dry in other seasons (this will depend upon the model of waste water management adopted)
    2. Mosquito Free environment
      Reduction in mosquito breeding is an important sign of good LWM practice. If the village becomes dry as a result of waste water management it is bound to show drastic reduction in mosquito nuisance
    3. Pig Free premises
      Existence of stray pigs is also associated with poor or mismanagement of waste water. Hence reduction in pig population is also an indicator of good LWM practice
  2. Technical Indicators (These indicators are important in order to judge the technical correctness of various measures adopted to overcome the problem of waste water).

Table 4 : Indicators for Liquid Waste Management

Type of Waste Water Indicators
Black Water 1. Zero generation of black water (adoption of toilet types which do not generate waste water)
2. If at all black water is generated
- It is not let in the open / open drains
- It is not flown into water bodies
- It is contained in situ in ideal leach pits
- If need be, conveyed through closed pipes
- If need be treated in a proper way before final usage
Grey Water 1. Less quantity generated : Judicious use of fresh water
2. Not let in the open / open drains
3. Reused in situ in kitchen garden
4. Contained in situ for ground water recharge through ideal leach pits
5. If need be, conveyed through pipes, properly treated & reused for suitable purposes
Commercial / Industrial waste water 1. Treated / contained / reused as per the existing laws & rules
Yellow Water(Human Urine) 1. Not let in the open / open drains / water bodies
2. Scientific design of public urinals adopted
3. Proper containment (in leach pits / soak pits) & or Treatment & use in agriculture