By Mrs. Suthimol Kessomboon Deputy Director General of Department of Drainage and Sewerage Bangkok Metropolitan Administration

Transcription

1 By Mrs. Suthimol Kessomboon Deputy Director General of Department of Drainage and Sewerage Bangkok Metropolitan Administration

2 PATHUMTHANI NONTHABURI BANGKOK SAMUT PRAKAN SAMUT SONGKRAM THAILAND Bangkok : Area 1, km2 (Inner , Middle , Outer ) Population : Register Population 5.69 million (2015) Surface Water: Canal 1,682 canals Length 2,604 km Chao Praya River 372 km (Total Length) Bangkok 35 km Source of Water Supply to Bangkok and vicinity: Upstream of Chao Praya River at Sam Lae,Pathum Thani Water Consumption (2015) : 2.54 mil.m3/day BANGKOK MAP Water Quality Monitoring Program in Bangkok Major Sources of Wastewater 5% 1. Domestic 75% 20% 2. Industry 20% 75% 3. Agriculture 5% 300 Sampling Points in 165 major canals and 9 Sampling Points in Chao Praya River 300 Sampling Points

3 BOD (2016) BOD in major canals (mg/l) 0-4 mg/l (5 points) >4-10 mg/l (69 points) mg/l (93 points) mg/l (133 points) Most of Biochemical Oxygen Demanded (BOD) in major canals are around mg/l (133 sampling points). That s effect to the purposes of water use in Bangkok. DO (2016) DO in major canals (mg/l) Most of Dissolved Oxygen (DO) in major canals are very low (< 1 mg/l 121 sampling points). That s effect to the living organism in the canals >3 mg/l (70 points) 2-<3 mg/l (50 points) 1-<2 mg/l (59 points) <1 mg/l (121 points)

4 Year WWTPs under O&M Bangsue EECC 1. Year of operation : August Service Area: 20.7km 2 3. Population 223, Capacity120,000m 3 /d 4 WWTPs Implementation Year 2022 Year WWTPs in Future Plan Wastewater 2.54 mil m 3 /d Capacity mil m 3 /d 45% of WW generation Construction Cost 26,578 mil B O&M Cost 612 mil. Baht/year (~17.22 mil. USD) Wastewater 2.54 mil m 3 /d Capacity mil m 3 /d (Total Capacity mil m 3 /d) 71% of WW generation Construction Cost 34,170 mil B O&M Cost 485 mil. Baht/year (~13.65 mil. USD) Future Wastewater 3.55 mil m 3 /d Capacity mil m 3 /d (Total Capacity mil m 3 /d) 96% of WW generation Construction Cost 71,033 mil B O&M Cost 1,190 mil. Baht/year (~33.48 mil. USD) Remark : Exchange rate Bath = 1 USD (November 2016)

5 Principle of Wastewater User Charge in Bangkok Polluter-Pay-Principle No. of District 21 Bangsue Area Coverage (m 2 Chatuchak ) Huai Khwang Nong Khaem 4 Bang Khae Phasi Charoen Dusit Phaya Thai Dindaeng 2 6 Ratchathewi Phra Nakhon Pom Prap Sattru Phai Samphanthawong Pathum Wan Bang Kho Laem Rat Burana Chom Thong 5 Tung Kru 1 Bang Rak 3 Sathon Yannawa 1. Si Phraya WWTP 2. Rattanakosin WWTP 5. Tung Kru WWTP 6. Din Daeng WWTP 3. Chong Non Si WWTP 7. Chatu Chak WWTP 4. Nong Khaem WWTP 8. Bangsue EECC

6 1. Household > 10 m 3 /day Fix cost = 30 Baht/month 2. Government Sector, Real Estate, Office, Religion Place, Foundation, Education Organization, Hospital and Clinic <500 m 3 /day = 500 Baht/month 500 1,000 = 1,000 Baht/month > 1,000 = 1,500 Baht/month 3. Hotel, Industry, Shopping Mall, and Department Store 80% Water Supply 4 Baht/m 3

7 Database of water consumption from MWA Collecting fee from households (Group 1) by BMA district officer Group 2 and group 3 will be paid through BMA district office, MWA branch office and counter service or bank (alternative) Punishment by BMA officer

8 Cost Recovery for Operation & Maintenance Cost Cost Recovery for O & M plus Replacement Cost Cost Recovery for O & M plus Capital Cost Cost Recovery for includes all cost

9 Million baht ส พระยา ร ตนโกส นทร ช องนนทร หนองแขม ท งคร ด นแดง Dindaeng จต จ กร บางซ อ Sripraya Rattanakosin Chongnonsi Nongkhaem Tungkru Jatujak BangSue The Construction cost to the 8 WWTPs = 26,578 M.b. The Construction cost of WWTPs ( ) = 6, M.b

10 Million Baht/year , , , In the wastewater treatment Service area of BMA from 2013 to % 50% 30% 100% 50% 30% 100% 50% 30% ป 2556 ป 2557 ป 2558 Percentage of Willing To Pay in the Service Area 10

11 National Policy for wastewater tariff should be clear and unity for local authority to work in practical way. Legal system to support wastewater tariff policy is necessary. Wastewater tariff should be implement urgently in Bangkok because of financial condition of wastewater treatment project. Unity of water authority in Thailand related to wastewater tariff is required

12 Thank You for Your Attention

13 Improving water quality in the Canals by people in their communities Classify 125 Community in 8 districts Give Knowledge

14 Improving water quality in the Canals by people in their communities Meeting & Discuss Implementation

15 Learning by doing with 3,000 students at Bang sue Environmental social awareness Give information Good understanding