Table 6 Minimum reclaimed water quality criteria for verification monitoring and specified technology targets for agricultural irrigation. Category of E. colia Coliphages Clostridium BOD5 TSS Turbidity Agronomic Other Specified use (cfu/100 (pfu/100 perfringens (mg/l) (mg/l) (NTU) parameters criteria technology ml) ml) spores targetb Food crops 100 1 1 10 10 5 Based on FAO Use of Secondary consumed reclaimed treatment, raw modified by water do not filtration, site conditions compromise and fulfillment of disinfection Directive 2008/105/EC Processed 1,000 - - According 20 - Based on FAO Use of Secondary and other to Directive reclaimed treatment, food crops 91/271/EEC modified by water do not and site conditions compromise disinfection fulfillment of Directive 2008/105/EC Non-food 10,000 - - According According - Based on FAO Use of Secondary cropsc to Directive to Directive reclaimed treatment, 91/271/EEC 91/271/EEC modified by water do not and site conditions compromise disinfection fulfillment of Directive 2008/105/EC NOTE: the limit values are maximum values. (to be defined the % of samples to compliance and maximum deviation limits). a: Legionella analysis have to be performed for greenhouses irrigation if there is risk of aerosolization (< 1,000 cfu/l). b: Filtration means the passing of wastewater through natural undisturbed soils or filter media such as sand and/or anthracite; or the passing of wastewater through microfilters or other membrane processes (USEPA, 2012). Disinfection means the destruction, inactivation, or removal of pathogenic microorganisms by chemical, physical, or biological means. Disinfection may be accomplished by chlorination, ozonation, other chemical disinfectants, UV, membrane processes, or other processes (USEPA, 2012). c: For pasture and fodder crop irrigation, animals must be prohibited from pasture for 5 days after irrigation. No public access during irrigation. Limit values to be confirmed).
Table 6 Minimum reclaimed water quality criteria for verification monitoring and specified technology targets for agricultural irrigation. Category of use E. colia (cfu/100 ml) Coliphages (pfu/100 ml) Clostridium perfringens spores BOD5 (mg/l) TSS (mg/l) Turbidity (NTU) Agronomic parameters Other criteria Specified technology targetb Food crops consumed raw 100 1 1 10 10 5 Based on FAO modified by site conditions Use of reclaimed water do not compromise fulfillment of Directive 2008/105/EC Secondary treatment, filtration, and disinfection Processed and other food crops 1,000 - - According to Directive 91/271/EEC 20 - Based on FAO modified by site conditions Use of reclaimed water do not compromise fulfillment of Directive 2008/105/EC Secondary treatment, and disinfection Non-food cropsc 10,000 - - According to Directive 91/271/EEC According to Directive 91/271/EEC - Based on FAO modified by site conditions Use of reclaimed water do not compromise fulfillment of Directive 2008/105/EC Secondary treatment, and disinfection NOTE: the limit values are maximum values. (to be defined the % of samples to compliance and maximum deviation limits). a: Legionella analysis have to be performed for greenhouses irrigation if there is risk of aerosolization (< 1,000 cfu/l). b: Filtration means the passing of wastewater through natural undisturbed soils or filter media such as sand and/or anthracite; or the passing of wastewater through microfilters or other membrane processes (USEPA, 2012). Disinfection means the destruction, inactivation, or removal of pathogenic microorganisms by chemical, physical, or biological means. Disinfection may be accomplished by chlorination, ozonation, other chemical disinfectants, UV, membrane processes, or other processes (USEPA, 2012). c: For pasture and fodder crop irrigation, animals must be prohibited from pasture for 5 days after irrigation. No public access during irrigation. Limit values to be confirmed).