Tubli

Envi­ron­men­tal Impact Assess­ment at Tubli Bay — Bah­rain

Short Term Emer­gen­cy Pro­gram for the Upgrading of the Tre­at­ment Faci­li­ties at Tubli WPCC — Bah­rain

The Tubli Water Pol­lu­ti­on Con­trol Cent­re (WPCC) at Tubli/Kingdom of Bah­rain needs to be expan­ded and upgraded due to the incre­a­sing hydrau­lic and orga­nic over­loading con­di­ti­ons and the poor qua­li­ty of the final trea­ted efflu­ent. Addi­tio­nal quan­ti­tes of was­te­wa­ter are expec­ted in future. Bah­rain shows fast popu­la­ti­on growth, new urba­niz­a­ti­on pro­jects will be con­nec­ted to the Tubli WPCC catch­ment.
The major objec­ti­ves for the exten­si­on of the capa­ci­ty of Tubli WPCC are to allow the full unrestric­ted and sus­tainab­le uti­liz­a­ti­on of the final Trea­ted Sewa­ge Efflu­ent Tubli WPCC for agri­cul­tu­ral pur­po­ses (full dis­in­fec­tion) and to avoid car­ry-over of sludge to pro­tect Tubli Bay.

BASIC DATA:

  • Average dai­ly flow: 350.000 m³/d or 1.000.000 PE; Out­flow: 100% ter­tia­ry trea­ted efflu­ent, ful­ly unrestric­ted use for irri­ga­ti­on and addi­tio­nal out­flow to sea.
  • Pro­ject Dura­ti­on (EIA): 10/07 – 06/08
  • Cli­ent: King­dom of Bah­rain, Minis­try of Works
  • Main con­trac­tor: p2m Ber­lin GmbH

Tubli Bay as recei­ving water body is a higly sen­si­ble flat coas­tal bay with very low water exchan­ge rates. It is an important and inter­na­tio­nal­ly ack­now­led­ged area for res­ting, nes­ting and fee­ding of migra­to­ry birds. The last man­gro­ves of Bah­rain can be found here. The remai­ning seagrass beds are a habi­tat for turt­les and dugo­ngs, which mean­while can not be found here any­mo­re, due to the demi­nis­hed water qua­li­ty. One main objec­ti­ve of the EIA was to descri­be the sta­te of Tubli Bay and to esti­ma­te the future redu­ced impact of the dischar­ge from the WWTP.
Other important aspects are the impact on the neigh­bour­hood (emis­si­on con­trol mea­su­res) and pos­si­bi­li­ties for reu­se of trea­ted was­te­wa­ter and sludge.

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