Study to Evaluate the Effectiveness of RWH Systems as a Domestic Water Supply Option

DurationCommenced in January 2011
Funded byWater Supply & Sanitation Collaborative Council
Project Partners
  • Community
  • Local Authorities: District Secretary, Divisional Secretary
  • National Water Supply and Drainage Board
  • Community Water Supply and Sanitation Project
  • Other major RWH implementers
ObjectivePromote rain water harvesting as an alternative drinking water supply
Purpose
  • To study the effectiveness of rain water harvesting as a domestic water supply option
  • To identify the prevailing issues and constraints in promoting rain water as an alternative drinking water sources among rural communities
Activities
  • Collection of Data and Information / Data Sources
  • - Reviewing the previous studies
    - Household (HH) survey
  • Sample design and size
  • - Sampling Frame: 2 districts from each province where RWH is most practiced
    - 2 communities in each district
    - HH with RWH systems and 2 HH using other sources
    - Focus group discussion (9x 2x2=36)
Outcome/ Outputs
  • Report on effectiveness of rain water harvesting as a rural water supply
  • Survey of rain water harvesting systems in Sri Lanka
  • Recommendation for future implementation of rain water harvesting projects
  • Sharing information and experience within the sector | View [PDF - 1.15MB]

Sample Distribution by District

evaluation_map

Sample Distribution by Village and Implemented Organisation

DistrictVillageOrganisation No. of Tanks Constructed between 2000-2008No. of RWH HH to be sampled
1. VavuniaCheddikulamWorld Vision255
KawanthisapuraBLT/LRWHF5
2. MannarIOM9110
3. AnuradhapuraKalaoya River Basin Project928
MadawachchiyaADB/ President's Fund (NWS&DB)78268
4. PolonnaruwaDimbulagalaNWS&DB2889
MedirigiriyaNWS&DB49115
5. AmparaAlayadivermu (Kawedapitti)Care International315
Kalmunai (Tamil)LRWHF14122
6. BatticaloaMonkerneyAsia Onlus365
7. PuttlamPRDA24819
NawagaththegamaNWS&DB20115
8. KurunegalaPolpitigamaPlan Sri Lanka145
MeewellawaLRWHF165
9. MataleNamini Gama (Wilgamuva D.S.)CWSSP978
Kirimatiya (Ukuwela)CWSSP14012
10. KandyPalukopiwatteCWSSP20023
WakedeniyaCWSSP30736
11. GamphaDivulapitiyaCWSSP215
12. KalutaraWeragama (Wadduwa)Asia Onlus375
NWS&DB1,39526
13. KegalleGaligamuwaNWS&DB38420
AranayakaNWS&DB31917
14. RatnapuraKarathila (Eheliyagoda)H.K.L. Menike225
NadranaH.K.L. Menike745
15. MataraPelana NorthLRWHF807
Dampahala - westLRWHF727
16. HambantotaKoskoratuwa (Tangalle)World Vision3211
WeliwewaNWS&DB/ ADB20069
18. MoneragalaBadalkuburaNWS&DB71686
PolwattaSarvodaya105
Total6,562543

Abbreviations

ADB – Asian Development Bank
CWSSP – Community Water Supply & Sanitation Project
IOM – International Organization for Migration
LRWHF – Lanka Rain Water Harvesting Forum
NWS&DB – National Water Supply & Drainage Board
PRDA – People’s Rural Development Association

Share Button
Print Friendly