Garbage juice in SP

Cenro to be in­vited ex­plain leachate spilling into Pangi River

Sun.Star Davao - - FRONT PAGE - By Ka­rina V. Cañedo

THE Davao City Coun­cil will re­quest rep­re­sen­ta­tives from Davao City En­vi­ron­ment and Na­tional Re­sources Of­fice (Cenro) to at­tend the ses­sion next week to ex­plain the spillage of garbage juice or leachate from New Car­men san­i­tary land­fill to the creek that leads to Matina Pangi River.

Ma­jor­ity Floor­leader Bernard Al-ag yes­ter­day di­rected the Sang­gu­ni­ang Pan­lung­sod (SP) sec­re­tary to in­vite (Cenro) and Depart­ment of En­vi­ron­ment

and Nat­u­ral Re­sources (DENR) to dis­cuss the prob­lem.

"We have re­ceived re­ports that there is an oc­cur­rence of a spillage of leachate, or juice from our garbage to our river and this is not only the con­cern of the Barangay New Car­men, this is the con­cern of the city. This leachate will go to our river specif­i­cally to Matina Pangi River, and it will go to the sea, this is a cause of con­cern of all Dabawenyos," Al-ag said.

He said that long term so­lu­tion of the prob­lem is a P100 mil­lion bud­get for the relocation of the san­i­tary land­fill was al­ready ap­proved by the Coun­cil in the pre­vi­ous ses­sion in­cor­po­rated with the Sup­ple­men­tal Bud­get 2.

The re­quest for in­vi­ta­tion is to ask the plans of Cenro and EMB in ad­dress­ing the prob­lem.

Last Fri­day in a press con­fer­ence, Depart­ment of En­vi­ron­ment and Nat­u­ral Re­sources - En­vi­ron­men­tal Man­age­ment Bureau (DENR-EMB) chief Anulfu Alvarez said that they al­ready con­ducted in­spec­tion at the land­fill in Au­gust and they no­ticed that the vol­ume of the waste dumped there have in­creased, which re­sulted to the over­flow­ing of leachate or the liq­uid that drains or 'leaches' from a land­fill in the wa­ter waste treat­ment fa­cil­ity.

Alvarez then sug­gested that there should be proper drainage di­rected to the waste wa­ter treat­ment fa­cil­ity but the liq­uid just goes any­where from the dump.

It was not re­vealed since when the leachate has been al­lowed to flow out freely, un­treated.

Davao City En­vi­ron­ment and Nat­u­ral Re­sources Of­fice Of­fi­cein-charge Engr. Marivic Reyes, in a me­dia in­ter­view, yes­ter­day said that since Mon­day their per­son­nel were there to dig a ditch so that the leachate from the garbage will flow to the fil­tra­tion pond then to the im­pound­ing pond that con­tained the treated wa­ter which will be re­cir­cu­lated back to the cell, or the land­fill.

She said that the re­ported leachate is from the garbage out­side the cell or the land­fill.

"The leachate that goes out to the creek come from the garbage thrown out­side the cell be­cause the land­fill is al­ready full. There is sup­pos­edly a canal in the cell where the leachate must flow. This is the rea­son why we are now mak­ing ditch in the area)," she said.

She added that they started mak­ing the ditch last Mon­day.

Reyes said that the heavy down­pour also con­trib­uted to the spillage.

She said that they are con­duct­ing bench­ing from garbage for the fil­tra­tion process. She added that they use car­bon, lime­stone and sand to fil­ter the leachate.

Af­ter the process, the leacheate that reaches the im­pound­ing pond will be pumped out by a sub­mersible pump back to the cell. They also placed geo-syn­thetic liner so that the leachate will not escape from the cell.

She said that the leacheate is not meant to escape from the cell, but it can­not be avoided since the land­fill is al­ready full.

Reyes said that they are still find­ing the site or lo­ca­tion for an­other land­fill, they are re­ha­bil­i­tat­ing the land­fill to ex­pand the life­span up to two and the half years de­pend­ing on the op­er­a­tion.

Reyes said that cur­rently, the land­fill re­ceives 600-700 tons daily, up from 300 to 400 tons of garbage the city col­lected when the dump­site was opened way back in 2006. KVC


OH DEAR. A look of con­cern is seen on the face of a woman as her in­fant squealed in pain af­ter be­ing pricked for an anti-measles vac­cine at the Barangay 23-C Health Cen­ter, Davao City.

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