| Shower Time | Water Rate* per cubic metre = 1000 litres = 35.32 cubic feet |
Annual Cost | Annual Savings with a Low-flow Showerhead (9.5 litres/min.) |
|
|---|---|---|---|---|
| Standard Showerhead = 17.1 litres/min. = 3.75 imperial gallons/min. = 4.5 US gallons/min. |
Low-flow Showerhead = 9.5 litres/min. = 2.1 imperial gallons/min. = 2.5 US gallons/min. |
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| "6 minute shower" | $0.50 | $26.68 | $14.82 | $11.86 |
| $0.60 | $32.01 | $17.78 | $14.23 | |
| $0.70 | $37.35 | $20.75 | $16.60 | |
| $0.80 | $42.68 | $23.71 | $18.97 | |
| $0.90 | $48.02 | $26.68 | $21.34 | |
| $1.00 | $53.35 | $29.64 | $23.71 | |
| $1.10 | $58.69 | $32.60 | $26.09 | |
| $1.20 | $64.02 | $35.57 | $28.45 | |
| $1.30 | $69.36 | $38.53 | $30.83 | |
| $1.40 | $74.69 | $41.50 | $33.19 | |
| $1.50 | $80.03 | $44.46 | $35.57 | |
| "8 minute shower" | $0.50 | $35.57 | $19.76 | $15.81 |
| $0.60 | $42.68 | $23.71 | $18.97 | |
| $0.70 | $49.80 | $27.66 | $22.14 | |
| $0.80 | $56.91 | $31.62 | $25.29 | |
| $0.90 | $64.02 | $35.57 | $28.45 | |
| $1.00 | $71.14 | $39.52 | $31.62 | |
| $1.10 | $78.25 | $43.47 | $34.78 | |
| $1.20 | $85.36 | $47.42 | $37.94 | |
| $1.30 | $92.48 | $51.38 | $41.10 | |
| $1.40 | $99.59 | $55.33 | $44.26 | |
| $1.50 | $106.70 | $59.28 | $47.42 | |
| "10 minute shower" | $0.50 | $44.46 | $24.70 | $19.76 |
| $0.60 | $53.35 | $29.64 | $23.71 | |
| $0.70 | $62.24 | $34.58 | $27.66 | |
| $0.80 | $71.14 | $39.52 | $31.62 | |
| $0.90 | $80.03 | $44.46 | $35.57 | |
| $1.00 | $88.92 | $49.40 | $39.52 | |
| $1.10 | $97.81 | $54.34 | $43.47 | |
| $1.20 | $106.70 | $59.28 | $47.42 | |
| $1.30 | $115.60 | $64.22 | $51.38 | |
| $1.40 | $124.49 | $69.16 | $55.33 | |
| $1.50 | $133.38 | $74.10 | $59.28 | |
| "12 minute shower" | $0.50 | $53.35 | $29.64 | $23.71 |
| $0.60 | $64.02 | $35.57 | $28.45 | |
| $0.70 | $74.69 | $41.50 | $33.19 | |
| $0.80 | $85.36 | $47.42 | $37.94 | |
| $0.90 | $96.03 | $53.35 | $42.68 | |
| $1.00 | $106.70 | $59.28 | $47.42 | |
| $1.10 | $117.37 | $65.21 | $52.16 | |
| $1.20 | $128.04 | $71.14 | $56.90 | |
| $1.30 | $138.72 | $77.06 | $61.66 | |
| $1.40 | $149.39 | $82.99 | $66.40 | |
| $1.50 | $160.06 | $88.92 | $71.14 | |
| * Contact your municipality for your true water rate that includes sewage charges and/or surcharge This table assumes 10 showers per week Use this table to compute annual cost/savings for other numbers of weekly showers by: 1. locating your Shower Time and Water Rate. 2. multiplying the corresponding Cost/Savings figure by your weekly showers. 3. dividing by 10. "Note the additional savings by reducing the showering time regardless of showerhead type." |
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