Manejo del agua en la vivienda: beneficios acelerados para la salud derivados del abastecimiento de agua mejorado
Social and economic aspects (inglés)
| System | Imported Items | Initial cost of hardware (per capita; per household) | Annual operating cost per capita and household |
| Boiling | None | None (assumes use of a cook pot) | Varies with fuel price; expensive |
| Ceramic filter | Filter candles | $5; $25 | $1, $5 for annual replacement |
| SODIS and SOLAIR (solar disinfection by UV radiation and heat) | None (assumes spent bottles available) | Cost of black paint for bottles or alternative dark surface (roofing) | None |
| Solar heating (solar disinfection by heat only) | Solar cooker or other solar reflector | Initial cost of solar cooker or reflector & water exposure and storage vessels | Replacement costs of solar reflectors and water exposure and storage vessels |
| UV Lamp Systems | UV lamps and housings | Initial cost of UV system: US$100-300), $20-60 | Power (energy); lamp replacement ($10-100) every 1-3 years |
| On-site generated or other chlorine and narrow-mouth storage vessel ("USA CDC Safewater" system) | Hypochlorite generator and associated hardware for production and bulk storage | $1.60; $8.00 | $0.60/$3.00 (estimated by USA CDC); costs may be higher for different sources of chlorine and for different water storage vessels |
| Combined coagulation-filtration and chlorination systems | Chemical coagulant and chlorine mixture, as powder or tablet | Use existing storage vessel or buy a special treatment and storage vessels (US$5-10 each) | Chemical costs at about $US7-11 per capita per year ($35-55 per household per year, assuming about 2 liters per capita (10 liters per household)/day |