------------+----------+---------+-------+-------+---------+-------+---------- | |Total | | Area | Average |Area of|Period, | |Quantity | | of | Daily |Filter | | |of Water | |Filters| Yield, |Surface|Million | |filtered |Million|in use,| |cleaned|Gallons Place. | Year | for |Gallons| | Million |in One |per Acre | Ending. |One Year.| Daily.| Acres.| Gallons | Year, |filtered | | Million | | |per Acre.| |between | | Gallons.| | | |Acres. |Scrapings. ------------+----------+---------+-------+-------+---------+-------+---------- Altona |Mar., 1895| 1,620 | 4.44 | 3.08 | 1.45 | 31.0 | 52 |Mar., 1896| 1,730 | 4.75 | 3.08 | 1.55 | 48.5 | 36 |Mar., 1897| 1,960 | 5.40 | 3.08 | 1.75 | 44.0 | 45 |Mar., 1898| 1,940 | 5.30 | 3.08 | 1.72 | 36.5 | 53 Amsterdam, |Dec., 1894| 1,390 | 3.80 | 5.43 | 0.71 | 23 | 62 River |Dec., 1896| 1,490 | 4.08 | 5.43 | 0.75 | 48 | 31 |Dec., 1897| 1,600 | 4.40 | 5.43 | 0.81 | 30 | 53 Amsterdam, |Dec., 1894| 2,330 | 6.40 | 4.94 | 1.29 |116 | 20 Dunes |Dec., 1896| 2,360 | 6.50 | 4.75 | 1.37 | 90 | 26 |Dec., 1897| 2,290 | 6.25 | 4.75 | 1.31 |109 | 21 Ashland, |Feb., 1897| 398 | 1.09 | 0.50 | 2.18 | 4.83 | 83 Wis. | | | | | | | Berlin, |Mar., 1896| 13,000 | 35.60 | 25.10 | 1.42 | | total |Mar., 1897| 12,900 | 35.40 | 25.10 | 1.40 | | |Mar., 1898| 13,200 | 36.20 | 27.00 | 1.34 | | Bremen |Mar., 1895| 1,190 | 3.27 | 2.51 | 1.31 | 50 | 24 |Mar., 1896| 1,220 | 3.34 | 3.21 | 1.04 | 32.5 | 38 |Mar., 1897| 1,280 | 3.50 | 3.21 | 1.09 | 25.2 | 50 |Mar., 1898| 1,400 | 4.10 | 3.21 | 1.28 | 34.0 | 41 Breslau |Mar., 1895| 2,840 | 7.80 | 5.12 | 1.52 | 45 | 64 |Mar., 1896| 2,960 | 8.10 | 5.12 | 1.58 | 40.0 | 74 |Mar., 1897| 2,990 | 8.20 | 5.12 | 1.60 | 37 | 81 |Mar., 1898| 3,060 | 8.40 | 5.12 | 1.64 | 43 | 71 Brunn |Dec., 1896| 1,110 | 3.04 | 1.62 | 1.87 | 8.6 | 128 |Dec., 1897| 1,190 | 3.25 | 1.62 | 2.00 | 9.1 | 131 Brunswick |Mar., 1895| 815 | 2.23 | 1.48 | 1.51 | 14.8 | 55 |Mar., 1896| 840 | 2.30 | 1.48 | 1.56 | 13.3 | 63 |Mar., 1897| 820 | 2.25 | 1.48 | 1.52 | 13.7 | 60 |Mar., 1898| 870 | 2.38 | 1.48 | 1.61 | 11.9 | 73