GAZETTE NOTICE NO. 7301

APPROVED TARIFF STRUCTURE FOR THE PERIOD 2024/2025 TO 2028/2029 THE Water Services Regulatory Board (WASREB), under powers granted by section 72(1)(b) and (2) of the Water Act, 2016, has approved the regular tariff adjustment for the area served by Nanyuki Water and Sanitation Company (NAWASCO). THE KENYA GAZETTE 30th May, 2025 NAWASCO applied to the Water Services Regulatory Board (WASREB) for a review of water services tariffs for the period 2024/2025 to 2028/2029 in line with 72 (1) (b) of the Act. Public consultation on the NAWASCO application was carried out by the requirements of section 139 of the Water Act, 2016. Having considered the application, the written and oral submissions by all stakeholders and the current data, WASREB has determined that an upward tariff review is justified for NAWASCO to improve service delivery, operate sustainably, and protect consumer interests by meeting the tariff conditions attached to the tariff. WASREB gives a one-month notice from the date of this communication to all existing and potential customers of NAWASCO that the structure of approved tariffs for water services for the five financial years 2024/2025, 2025/2026, 2026/2027, 2027/2028, and 2028/2029 shall be as follows: 1. Approved Tariff Structure for the period 2024/2025 to 2028/2029 1.1 Water Tariff Consumer Categories Consumption Block Approved Tariff (M3) (KSh./M3) Domestic/Residential 1-6 62 7-20. 86 21-50 90 51-100 95 101-300 115 >300 130 Multi-Dwelling Units Per M3 86 Commercial/Industrial/Government/Institutions 1-50 90 51-100 95 101-300 115 >300 130 Public Schools, Colleges and Universities 1-600 90 601-1200 115 >1200m3 130 Yard Taps Per M3 86 Water Kiosks Per M3 35 Customers with non-functional meters shall be billed based on the average of the last three months’ bills. 1.2 Sewerage Tariff 1.2.1 Consumers with a Water Connection (a) Sewerage will be charged at 75% of the water volumes, billed at the tariff for water specified (in 1.1) above for all customer categories. (b) Disconnected water accounts shall be charged based on the average sewerage charges for the last five months before the disconnection. 1.2.2 Customer with no water connection Sewerage consumers without a water connection shall be charged as follows: • Domestic customers without a metered water source (Per Single dwelling unit): Ksh. 300 Per Month • All other categories: 75% of the volume of water consumed as per the metered source of water, including boreholes, at the rates specified in (1.1) above. 1.3 Indexation The utility’s approved tariffs for water and sewerage shall be eligible for annual indexation, as per the Water Services Regulatory Board (WASREB) regulations. The inflation adjustment shall come into effect every July of the tariff period, commencing July 2026. 1.4 Miscellaneous Charges Item/ Service Charge (KSh.) Water Deposit Category of consumer Domestic 2500 Retail shops less than 10m3 3000 Retail shops more than 10m3 3,500 Bar, and restaurants less than 15 m3 4000 Bar, restaurants more than 15 m3 6,000 Hotel class “A” and “B” less than 150 m3 12,000 Hotel class “A” and “B” more than 150 m3 15000 Hotel class “C” and ‘D’ less than 150 m3 18000 Hotel class “C” and ‘D’ more than 150 m3 20,000 Hospitals more than 150 m3 20,000 Health centres less than 150 m3 12,000 Schools and other institutions more than 200 m3 20,000 Schools less than 200 m3 10,000 Minor construction sites of more than 200 m3 15,000 30th May, 2025 THE KENYA GAZETTE Item/ Service Charge (KSh.) Major construction sites more than 300 m3 50,000 Light industries less than 200 m3 30,000 Medium industrial between 200 m3 and 300 m3 50,000 Heavy industries of more than 300 m3 100,000 Water Kiosks 5,000 Customers with only sewer connection are to be charged a deposit equivalent to a water connection Other Charges Service New water connection fee – Connection size: ½ inch to 1 inch 2,500 New water connection fee – Connection size: 1.5 inches to 3 inches 7,500 New water connection fee – Connection size above 3inches 15,000 Water Reconnection fee – at meter point 1,000 Water Reconnection fee – at mains 5,000 and double deposit Tanker – 8000, 16,000 litres 2,500, 5,000 respectively per tanker within NAWASCO’s area for all consumers Sale of water Per M3 at bowsing point (own tanker) KSh. 86 Replacement of stolen or damaged meters 100% of the market cost of the meter Meter testing on request 500 Sewer Connection- Residential/ Domestic 5,000 Sewer Connection- Commercial, Government, Schools, Universities and Colleges 7,500 Sewer Connection- Industrial 15,000 Private sewer unblocking 2,500 Leak detection services 1,000 Sewer Reconnection fee 15,000 Statement of account fees 200 For cutting off the supply at the request of the consumer 200 For turning on the supply otherwise than in respect of a first connection 200 Exhauster Services (Company Exhauster) 5,000 for other customers and 4,000 for informal settlements Private Exhausters (Dumping into the company’s sewer system) 15,000 per Truck per month Penalties Illegal water connection, -Commercial, Industry, Construction (Fraud) 100,000 plus estimated consumption during the period of illegality Illegal water connection, (Fraud) – Domestic 30,000 plus estimated consumption during the period of the illegality Overcharging (fraud) at water kiosk 15,000 Illegal sewer connection- Commercial, Industry, Construction 100,000 Illegal sewer connection- Domestic, Government, Schools, Universities & Colleges 30,000 Self-reconnection after cut-off for non-payment 5,000 and billing to be backdated from the date of cut-off Surcharge for tampering with meters (this to include meter removal, reversing of meter etc) 5,000 Surcharge for direct suction of water from the supply line using a pump 10,000 2.0 Cost Summary Below is the summary of the recommended cost structure that makes up the total costs to be incurred by NAWASCO during the tariff period: Expenditure Item 2023/24 2024/25 2025/26 2026/27 2027/28 2028/29 Operations 254,368,165 273,611,924 280,566,805 287,554,942 294,970,118 300,381,699 Maintenance 52,833,985 58,683,250 50,523,746 52,279,640 54,127,659 56,211,377 Regulatory Levy 15,381,399 15,561,344 19,867,604 21,554,628 22,496,680 23,551,278 Total O&M Costs 322,583,549 347,856,518 350,958,155 361,389,209 371,594,457 380,144,354 Investment Costs 43,443,030 34,846,885 40,219,817 46,743,480 55,828,880 45,999,057 Debt Repayment 844,025 16,964,090 16,964,090 15,671,940 15,671,940 15,671,940 Total Costs 366,870,604 399,667,493 408,142,062 423,804,629 443,095,277 441,815,351 Total Billing (KShs) 384,534,980 389,033,612 496,690,106 538,865,690 562,417,009 588,781,949 Collection Efficiency (%) 96% 95% 95% 95% 95% 95% Projected Revenue 369,791,873 369,581,931 471,855,601 511,922,405 534,296,159 559,342,852 O&M Cost Coverage 115% 106% 134% 142% 144% 147% Total Cost Coverage 101% 92% 116% 121% 121% 127% 3.0 Conditions attached to the tariff approval The conditions attached to this approval, which shall form part of the license conditions of NAWASCO, are: (i) Service Delivery Conditions attached to the Tariff Target 2022/2023 2023/2024 2024/2025 2025/2026 2026/2027 2027/2028 2028/2029 Water Coverage 94% 94% 95% 96% 97% 98% 99% Water quality standards 100% 100% Compliance with Standards Personnel Expenditure as % of O&M 50% 48% 45% 46% 45% 44% 43% Non-Revenue Water 30% 28% 28% 28% 27% 26% 25% Hours of Supply (Hrs.) 23 23 23 24 24 24 24 Staff per 1000 connections 7 7 6 6 5 5 5 Metering ratio 100% 100% 100% 100% 100% 100% 100% Collection Efficiency 99 96% 95% 95% 95% 95% 95% THE KENYA GAZETTE 30th May, 2025 Target 2022/2023 2023/2024 2024/2025 2025/2026 2026/2027 2027/2028 2028/2029 Resale at Kiosk Regulate resale by kiosk vendors at Ksh. 2 per 20 litres. Tariffs at kiosks must be displayed at strategic points for public awareness (ii) Annual budgets: The WSP shall adhere to the budgetary levels set in the tariff. (iii) Surpluses: The surpluses realised during the tariff period shall be used to implement priority service delivery capital projects approved by WASREB. (iv) Reporting: The utility shall submit quarterly performance reports to WASREB in the prescribed format. (v) Creation of distinct water and sewer cost centres: NAWASCO will ensure that separate water and sewer cost centres are created and that different records of operations of the two centres are maintained. (vii) Investments: The utility shall undertake the investments in Table 1. Table 1: Investments 2024/25 2025/26 2026/27 2027/28 2028/29 Targeted Investment Specifications Unit Quantit y Unit Cost(Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) A. Metering New water connections (15 mm / 20 mm AMR Enabled cold water meters, R-200, Copolymer material, volumetric) No 1,100 10,000 11,000,000 No 1,100 10,000 11,000,000 No 1,228 10,000 12,280,000 No 1,278 10,000 12,780,000 No 1,388 10,000 13,880,00 New water connections (25 mm AMR Enabled cold water meters, R-160, Copolymer material, volumetric) No 80 12,000 960,000 No 80 12,000 960,000 No 60 12,000 720,000 No 60 12,000 720,000 No 60 12,000 720,000 Replacement of under-registering/ old meters - (15 mm AMR Enabled cold water meters, R-200, Copolymer material, volumetric) No 890 4,000 3,560,000 No 890 4,000 3,560,000 No 890 4,000 3,560,000 No 890 4,000 3,560,000 No 890 4,000 3,560,000 Sub-Total 15,520,000 15,520,000 16,560,000 17,060,000 18,160,00 B.NRW Reduction NRW Management Interventions 2,810,000 3,497,028 1,500,000 800,000 3,250,475 Sub-Total 2,810,000 3,497,028 1,500,000 800,000 3,250,475 C. Upgrade and rehabilitation of distribution lines Baraka Mwai Tosha(6.6km) Km 7 362,515 2,392,597 CBD Bemwaki 2.93km Km 3 515,945 1,511,720 Milimani (Nturukuma) water pipeline upgrade(7.2km) Km 7 405,408 2,918,936 Nkando area water pipeline upgrade(3km) Km 1 1,569,477 1,726,425 Thingithu phase 1 water pipeline upgrade(1.1km) Km 1 464,769 464,769 Nalanya pipeline Extension (Various sizes)-9.3km Km 9 813,741 7,567,789 Kabiru -1.9 kms Km 2 284,737 541,000 Sarafina - camp miazi- airstrip - 20.4 km Km 20 431,863 8,810,000 Reli B - 5.79 km Km 6 1,122,268 6,497,930 Kaugu 4.5km Km 5 507,978 2,285,900 Shika Adabu 5.6km Km 6 307,532 1,722,180 Likii B 6km Km 6 982,629 5,895,775 Sub Total 9,014,447 7,567,789 15,848,930 4,008,080 5,895,775 E. Capital Works Rehabilitate 6 no-filter media No 6 166,667 1,000,000 Construction of storage/balancing tank- Nyariginu 1 4,800,000 4,800,000 Construction of Storage / balancing tank-RELI B 1 4,667,000 4,667,000 Sub Total 1,000,000 9,467,000 - - - F. Automation 20 Smart Phones (internal memory: 128GB 4GB RAM operating system: android 13 and above, No 40 15,000 300,000 300,000 8 Desktop (HP Elite desk 800g3- Intel core i5 6 th gen/4GB Ram/500GB hard disk/19” tft screen) No 8 40,000 320,000 8 laptops (HP LAPTOP- Intel core i7/8GB Ram/500GB Hard disk/DVDRW/wifi/webcam/bt/15.6 ” screen/windows 10 professional/office 2016/Kaspersky antivirus No 8 70,000 560,000 30th May, 2025 THE KENYA GAZETTE 2024/25 2025/26 2026/27 2027/28 2028/29 Targeted Investment Specifications Unit Quantit y Unit Cost(Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Printer (KYOCERA ECOSYS M6230cidn-print, scan, copy, duplex, network, 30ppm) No 1 300,000 300,000 Open Flow water CAD - (VERSION 10.3) No 1 320,000 320,000 GPS Trackers - (ST- 904 multi- function GPS location tracker with real time SOS) - 1 NO No 1 161,500 161,500 Handhel GPS- GERMIN GPS MAP 66i -ipx 7-16 GB,High speed micro USB & NMEA0183 Compatible -2NO No 2 80,469 160,938 DJI mIni 4 pro mapping drone - (4K /60 FPS HDR RESOLUTION) 1 NO No 1 250,000 250,000 Procure 1 no Real time Kinematic No 1 1,600,000 1,600,000 Sub Total 2,372,438 - 300,000 - 1,600,000 G. Water Testing equipment Photometer -(Lovibond -MD 610 photometer) - 1 NO No 1 300,000 300,000 Jar test - (Witeg-Jar tester JT-M6C 6Peddles 20-300 RPM) -1 NO No 1 522,000 522,000 Portable (ph ectds ) meter (Lovibond -MD 610 ph Meter) - 1 No No 1 90,000 90,000 Collilet 18 test - kiT IDEXX Quanti-tray /2000 97 Wells - 1 NO No 1 630,000 630,000 2 No Chlorine pump - SEKO AML 200- max flow 5l/hr @ 8 bar,max stroke rate 160/min, 3 litre per hour @ 5 bar Vstroke,052cc.,IP65 No 2 160,000 320,000 8 no borehole chlorine/polymer dozers SEKO AML 200- max flow 5l/hr @ 8 bar,max stroke rate 160/min, 5 litre per hour @ 5 bar Vstroke,052cc.,IP65 No 8 50,000 400,000 4 no gravity dozers - FLOW RATE -30-1200L/H With in built all chemical resistant materials. No 4 250,000 1,000,000 Automate Flocculant and disinfectant dosing system - (Automated flocculants dosage system dosing system 0-200 LPH) - 1 LOT -For the New TW Lot 1 2,000,000 2,000,000 Acquire automatic colony counter)-Scan 1200- HD automatic colony counter - 1 NO No 1 200,000 200,000 Turbidity meter - (Surface scatter 7 sc (SS7)high range turbidimeter Range (0-9999 N.T.U) - 1 no No 1 2,000,000 2,000,000 Automate floc/ residual dosing system -(Automated flocculants dosage system dosing system)0-200 LPH) - 1 LOT-For the Old TW No 1 2,000,000 2,000,000 3,262,000 2,200,000 2,000,000 2,000,000 - I. Low Income Areas Social connections to LIA No 108 13,000 468,000 468,000 468,000 Construction of fabricated water kiosk (At Majengo and Likii A) No 2 600,000 600,000 600,000 Sub Total 468,000 468,000 1,068,000 600,000 - J. Office Furniture Procurement of office Desks No 15 20,000 300,000 Procurement of Office Seats No 10 10,000 100,000 Sub Total 400,000 - - - - K. Sewer Improvement Annual Desludging of wastewater ponds No 2 1,500,000 1,500,000 1,500,000 Shika Adabu sewer extension 3.1km No 1 6,123,630 6,123,630 Construction of wetland at the main wastewater treatment plant No 1 1,842,920 1,842,920 Ruai/ Kilimo sewer project 7km - phase 1 No 1 30,892,80 30,892,800 Lower Muthaiga sewer project No 1 7,092,807 7,092,807 THE KENYA GAZETTE 30th May, 2025 2024/25 2025/26 2026/27 2027/28 2028/29 Targeted Investment Specifications Unit Quantit y Unit Cost(Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Cost (Ksh) Ruai/ Kilimo sewer project 7km - phase 1 No 1 10,000,00 10,000,00 Sub Total - 1,500,000 9,466,550 30,892,800 17,092,80 TOTAL 34,846,885 40,219,817 46,743,480 55,360,880 45,999,05 Dated the 24th May, 2025. RICHARD CHERUIYOT, Ag. Chief Executive Officer , Water Services Regulatory Board.