5 Water Supply Challenges and Achievements in Constanta County
191
Fig. 5.8 The layout of Galesu re-pumping station, in EPANET
Table 5.5 Results regarding energy obtained by numerical simulation. Galesu pumping station
Pumps in operation
Old pumps
New pumps
e (kWh/m 3 )
P (kW)
e (kWh/m 3 )
P (kW)
P1
0.10
270
0.09
237
P3 on one main
–
–
0.09
237
P3 on both mains
0.09
264
0.08
235
P1 + P3
0.11 × 2
520
0.09 × 2
474
P1 + P2 + P3 on one main
–
–
0.11 × 3
684
P1 + P2 + P3 on both mains
0.12 × 3
735
0.11 × 3
678
P1 + P2 + P3 + P4 + P5
0.11 × 5
1290
0.11 × 5
1170
5.5 Future Challenges for Reliable and Resilient Water
Supply Systems. Environmental Impact
The new regional water supply system will take water from the above mentioned good
quality source, located close to Medgidia, and convey it to almost all the localities
in the Southern coastal area, where the local sources do not fit the water demand or
the drinkable properties. The proposed system is a resumption of a concept, namely
the interconnected seaside system, that had been operating for a long time but which