1. WATER MANAGEMENT AND CHALANGES IN JŪRMALA JŪRMALAS ŪDENS 17.03.2015

2. STORMWATER COLLECTION OUTLINES

3. STORMWATER CATCHMENTS AND FLOWS: CATCHMENT AREA ESTIMATED – 2897 ha CALCULATED ANNUAL FLOW – 5 500 000 m3 (4200000 in summer) MINIMUM – 270 000 m3/month MAXIMUM – 700 000 m3/month OUTLETS – 24 (8 – Riga Gulf, 13 – Lielupe, 2 – Vecslocene, 1 – Veršupīte) Total pipeline length – 50,7 km Pumping Stations – 2 (Kauguri, Majori)

4. Man- holes Gutter Pipe Diameter,mm lenght,m Total, m 10015020025030035040045050060070010001200 Kauguri 2561761126792 2601027243881 08301 59205495244958 508 Sloka 132139162109504331952941 2881759501022204 122 Melluži 77750222864430201015302530065902 782 Ķemeri 105950077012266311596101 208355605004 799 Asari- Vaivari- Valteri 701701825515119038364279750054902 567 Majori 201202121721 0449967511 17757701 146380005 913 Dubulti 1871152491081 2644171 59401 27501 29900006 206 Buļļciems 42001204300018000073 Priedaine, Bražciems 44530142951602240656036100601 716 Dzintari 2711740711 05158684517301 4790087804 399 Bulduri 34636302843 8346196440539071002439506 968 Pumpuri 1860047203670002440000678 Lielupe 453200585015500022709793301 997 Total1 7561 4493891 77813 2313 5086 4352 0177 0694410 1073931 5963 66649550 728 STORMWATER SYSTEM DATA

5. ĶEMERI, SLOKA, KAUGURI, KAUGURCIEMS

6. VAIVARI, VALTERI, JAUNDUBULTI, DUBULTI, …

7. MAJORI, DZINTARI, LIELUPE, PRIEDAINE

8. Activity Financing Received From MunicipalityManagement Expenses Assigned Financing 2015, EUR Year 2013, EURYear 2014, EURTotal Year 2013, EUR Year 2014, EUR Total Drainage and Storm water System Management486 854.47573 089.911 059 944.38545 459.66609 462.001 154 921.66792 995.00 incl. Drainage Management 389 160.09418 490.40807 650.49389 170.00418 021.00807 191.00466 360.00 incl. construction works0.00 24 000.00 Overhaul and reconstruction works182 835.9770 117.16252 953.13182 835.9770 117.16252 953.1310 000.00 Storm water System Management 97 694.38154 599.51252 293.89156 289.66191 441.00347 730.66326 635.00 incl. construction works0.00 40 000.00 Overhaul and reconstruction works3 471.820.003 471.82 0.003 471.82159 249.00 Drainage and Stormwater System Management Financing and Expenses 2013 - 2015

9. SANITARY SEWER Ķemeri, Sloka, Kauguri, Kaugurciems

10. SANITARY SEWER Vaivari, Asari, Melluži, Jaundubulti, Valteri, Krastciems

11. SANITARY SEWER Dubulti, Majori, Dzintari, Lielupe, Buļļciems, Priedaine

12. SLOKA WWTP. Flows, Loads, Outlet requirements Inlet flows are as follows: Design year2015 Connected population32 440 Daily average flow9000 m3/d Design flow, qdim500 m3/h Max flow to pre-treatment1500 m3/h Max flow to main process750 m3/h Inlet loads are as follows: SS2320 kg/d256 mg/l COD4460 kg/d493 mg/l BOD5 2140 kg/d236 mg/l Total-N480 kg/d53 mg/l Total-P 80 kg/d9 mg/l Required outlet concentrations SS 35 mg/l COD125 mg/l BOD5 25 mg/l Total-N 15 mg/l Total-P 2 mg/l

13. WATERSUPPLY Existing, In construction and Planned Network

14. Sloka, Kauguri construction works. 2013 - 2015 Construction works:  Water Supply Network – 19 407m;  Gravity Sewers – 16 541m;  Rising mains – 1 256m;  2 pumping stations

15. Melluži, Valteri construction works. 2014 - 2015 Construction works:  Water Supply Network – 13,3 km;  Gravity Sewers – 11,3 km;  Rising mains – 3 km;  2 pumping stations

16. Kaugurciems, Vaivari, Asari, Melluži construction works. 2014 - 2015 Construction works:  Water Supply Network – 24,1 km;  Gravity Sewers – 7,7 km;  Rising mains – 1 km;  2 pumping stations