Chapter 7

~Table 17--Record of Experimental Filter, Puech system~.--(_Continued._)

Columns: A - Rates, millions of gallons per acre daily. B - Rate, millions of gallons per acre daily. C - Loss of head. D - Applied water. E - Effluent, preliminary filter. F - Effluent, final filter. G - Applied water. H - Effluent, preliminary filter. I - Effluent, final filter.

=======+===================+=========+============+=================== | ~Puech system~: | ~Final |~Turbidity.~| ~Bacteria.~ | | filter~.| | Date. +-------------------+----+----+---+---+----+------+------+----- | A | B | C | D | E | F | G | H | I -------+---+---+---+---+---+----+----+---+---+----+------+------+----- 1908. -------+---+---+---+---+---+----+----+---+---+----+------+------+----- Mar. 11|265|170| 90| 53| 18|2.99|0.53|155| 80| 7 | 6,500| 8,500| 490 Mar. 12|265|170| 90| 53| 18|2.99|0.60|135| 70| 7 | 5,900| 6,000| 360 Mar. 13|265|170| 90| 53| 18|3.00|0.60|122| 52| 6 | 1,900| 1,700| 140 Mar. 14|265|170| 90| 53| 18|3.00|0.61| 97| 40| 5 | 1,800| 1,600| 130 Mar. 15|265|170| 90| 53| 18|2.99|0.64| 77| 31| 4 | Sunday. Mar. 16|265|170| 90| 53| 18|3.00|0.69| 65| 26| 3 | 1,400| 1,200| 50 Mar. 17|241|155| 82| 48| 16|2.99|0.71| 59| 19| 3 | 900| 200| 45 Mar. 18|252|162| 86| 50| 17|2.99|0.75| 67| 22| 2 | 1,000| 700| 33 Mar. 19|241|155| 82| 48| 16|2.99|0.78| 60| 21| 2 | ... | 800| 44 Mar. 20|294|189|100| 59| 20|2.99|0.85| 57| 18| 2 | 1,300| 650| 37 Mar. 21|279|179| 95| 56| 19|2.99|0.92| 67| 21| 2 | 800| 600| 34 Mar. 22|265|170| 90| 53| 18|2.99|0.99| 80| 27| 2 | Sunday. Mar. 23|265|170| 90| 53| 18|2.99|1.06| 90| 32| 2 | 4,600| 1,300| 33 Mar. 24|265|170| 90| 53| 18|2.99|1.12| 82| 34| 3 | 2,500| 950| 38 Mar. 25|265|170| 90| 53| 18|2.99|1.18| 67| 27| 3 | 1,600| ... | 30 Mar. 26|265|170| 90| 53| 18|2.99|1.22| 60| 20| 3 | 550| 400| 24 Mar. 27|265|170| 90| 53| 18|3.00|1.23| 59| 18| 2 | 950| 360| 28 Mar. 28|265|170| 90| 53| 18|3.00|1.25| 51| 14| 2 | 650| 230| 18 Mar. 29|265|170| 90| 53| 18|2.99|1.28| 31| 6| 2 | Sunday. Mar. 30|265|170| 90| 53| 18|2.99|1.36| 30| 5| 1 | 500| 160| 25 Mar. 31|265|170| 90| 53| 18|2.99|1.43| 39| 7| 1 | 750| 140| 26 -------+---+---+---+---+---+----+----+---+---+----+------+------+----- Apr. 1|265|170| 90| 53| 18|3.00|1.48| 44| 9| 1 | 750| 60| 41 Apr. 2|265|170| 90| 53| 18|2.99|1.56| 42| 9| 1 | 1,100| 140| 26 Apr. 3|318|204|108| 64| 22|2.99|1.63| 41| 8| 1 | 1,500| 47| 11 Apr. 4|294|189|100| 59| 20|2.99|1.70| 54| 13| 1 | 700| 80| 35 Apr. 5|279|179| 95| 56| 19|3.00|1.73| 50| 13| 1 | Sunday. Apr. 6|279|179| 95| 56| 19|2.99|1.76| 41| 9| 1 | 440| 65| 17 Apr. 7|265|170| 90| 53| 18|3.00|1.78| 35| 6| 1 | 650| 65| 34 Apr. 8|265|170| 90| 53| 18|3.00|1.79| 39| 6| 1 | 550| 44| 10 Apr. 9|265|170| 90| 53| 18|3.00|1.79| 40| 6| 1 | 390| 30| 25 Apr. 10|265|170| 90| 53| 18|3.00|1.77| 40| 6| 1 | 500| 27| 16 Apr. 11|265|170| 90| 53| 18|3.00|1.78| 45| 7| 1 | 430| 28| 28 Apr. 12|265|170| 90| 53| 18|2.99|1.80| 52| 11| 1 | Sunday. Apr. 13|265|170| 90| 53| 18| ...|1.81| 50| 10| 1 | 490| 17| 26 Apr. 14| Shut down on account of losing water when aqueduct was |drained; also cleaned coarse sand filter. Started April 22d. Apr. 23|241|155| 82| 48| 16| ...|1.82| 29| 4| 1 | 140| 600| 38 Apr. 24|241|155| 82| 48| 16|3.00|1.87| 21| 3| 1 | 200| 1,000| 13 Apr. 25|241|155| 82| 48| 16|2.99|1.95| 20| 3| 1 | 85| 180| 25 Apr. 26|252|162| 86| 50| 17|3.00|1.95| 24| 3| 1 | Sunday. Apr. 27|241|155| 82| 48| 16|3.00|1.93| 18| 2| 1 | 95| 35| 23 Apr. 28|241|155| 82| 48| 16|3.00|1.96| 20| 2| 1 | 70| 24| 18 Apr. 29|241|155| 82| 48| 16|2.99|1.97| 24| 3| 1 | 110| 21| 24 Apr. 30|241|155| 82| 48| 16|2.99|2.03| 21| 2| 1 | 70| 25| 6 -------+---+---+---+---+---+----+----+---+---+----+------+------+----- May 1|241|155| 82| 48| 16|3.00|2.07| 32| 4| 1 | 130| 20| 18 May 2|241|155| 82| 48| 16|2.99|2.12| 26| 3| 1 | 140| 16| 12 May 3|241|155| 82| 48| 16|2.99|2.17| 22| 3| 1 | Sunday. May 4|241|155| 82| 48| 16|3.00|2.19| 19| 2| 1 | 85| 30| 17 May 5|241|155| 82| 48| 16|3.00|2.20| 18| 2| 1 | 130| 33| 9 May 6|241|155| 82| 48| 16|2.99|2.23| 18| 2| 1 | 230| 55| 6 May 7|252|162| 86| 50| 17|3.00|2.24| 19| 2| 1 | 160| 75| 10 May 8|241|155| 82| 48| 16|3.00|2.25| 19| 2| 1 | 375| 55| 8 May 9|318|204|108| 64| 22|2.99|2.29| 18| 2| 1 | 1,200| 12| 9 May 10|318|204|108| 64| 22|2.99|2.30| 30| 3| 1 | Sunday. May 11|265|170| 90| 53| 18|2.99|2.33| 60| 10| 1 | 2,800| 130| 11 May 12|252|162| 86| 50| 17|2.99|2.39| 70| 15| 1 | 2,900| 135| 9 May 13|241|155| 82| 48| 16|3.00|2.41| 66| 14| 1 | 1,800| 110| 16 May 14|265|170| 90| 53| 18|3.00|2.38| 45| 7| 1 | 2,700| 65| 18 May 15|252|162| 86| 50| 17|3.00|2.41| 39| 5| 1 | 950| 45| 14 May 16|241|155| 82| 48| 16|3.00|2.41| 49| 7| 1 | 800| 32| 10 May 17|241|155| 82| 48| 16|3.01|2.34| 46| 7| 1 | Sunday. May 18|241|155| 82| 48| 16|3.00|2.31| 31| 4| 1 | 700| 26| 6 May 19|252|162| 86| 50| 17|3.00|2.26| 36| 4| 1 | 375| 28| 17 May 20|252|162| 86| 50| 17|3.00|2.20| 41| 5| 1 | 425| 38| 11 May 21|344|221|117| 69| 23|3.00|2.18| 30| 3| 1 | 300| 25| 9 May 22|241|155| 82| 48| 16|3.01|2.17| 53| 7| 1 | 950| 220| 18 May 23|265|170| 90| 53| 18|2.99|2.25|127| 38| 1 | 2,400| 600| 21 May 24|331|212|112| 66| 22|3.00|2.19|110| 39| 3 | Sunday. May 25|318|204|108| 64| 22|3.01|2.02| 90| 25| 3 | 600| 300| 40 May 26|279|179| 95| 56| 19|3.02|1.87|135| 45| 3 | 3,200| 110| 34 May 27|265|170| 90| 53| 18|3.01|1.63|110| 39| 3 |14,500| 320| 45 May 28|252|162| 86| 50| 17|3.01|1.41| 90| 27| 3 | 1,000| 95| 28 May 29|252|162| 86| 50| 17|3.01|1.24| 70| 17| 3 | 1,100| 150| 26 May 30|252|162| 86| 50| 17|3.01|1.07| 50| 9| 2 | Holiday. May 31|241|155| 82| 48| 16|3.01|1.03| 34| 4| 2 | Sunday. -------+---+---+---+---+---+----+----+---+---+----+------+------+----- June 1|252|162| 86| 50| 17|3.00|0.83| 35| 4| 1 | ... | ... | ... June 2|241|155| 82| 48| 16|3.00|0.74| 39| 5| 1 | ... | ... | ... June 3|252|162| 86| 50| 17|3.00|0.68| 35| 4| 1 | ... | ... | ... June 4|241|155| 82| 48| 16|3.00|0.63| 30| 3| 1 | ... | ... | ... June 5|252|162| 86| 50| 17|2.99|0.60| 30| 3| 1 | ... | ... | ... June 6|241|155| 82| 48| 16|3.00|0.56| 27| 3| 1 | ... | ... | ... June 7|241|155| 82| 48| 16|2.99|0.53| 22| 2| 1 | ... | ... | ... June 8|241|155| 82| 48| 16|3.00|0.49| 20| 1| 1 | ... | ... | ... June 9|241|155| 82| 48| 16|2.99|0.46| 20| 1| 1 | ... | ... | ... June 10|241|155| 82| 48| 16|3.00|0.44| 17| 1| 1 | ... | ... | ... June 11|331|212|112| 66| 22|2.98|0.42| 12| 1| 1 | ... | ... | ... June 12|318|204|108| 64| 22|2.98|0.42| 11| 1| 1 | ... | ... | ... June 13|265|170| 90| 53| 18|3.00|0.40| 36| 3| 1 | ... | ... | ... June 14|252|162| 86| 50| 17|2.99|0.40| 39| 5| 1 | ... | ... | ... June 15|241|155| 82| 48| 16|2.99|0.39| 25| 3| 1 | ... | ... | ... June 16|241|155| 82| 48| 16|2.99|0.40| 34| 3| 1 | ... | ... | ... June 17|252|162| 86| 50| 17|2.99|0.41| 64| 11| 1 | ... | ... | ... June 18|241|155| 82| 48| 16|2.99|0.42| 57| 11| 1 | ... | ... | ... June 19|241|155| 82| 48| 16|2.99|0.42| 46| 8| 1 | ... | ... | ... June 20|241|155| 82| 48| 16|2.99|0.42| 40| 5| 1 | ... | ... | ... June 21|241|155| 82| 48| 16|3.00|0.43| 28| 4| 1 | ... | ... | ... June 22|241|155| 82| 48| 16|2.99|0.43| 25| 3| 1 | ... | ... | ... June 23|241|155| 82| 48| 16|2.99|0.43| 25| 3| 1 | ... | ... | ... June 24|241|155| 82| 48| 16|2.99|0.43| 29| 4| 1 | ... | ... | ... June 25|241|155| 82| 48| 16|2.99|0.43| 18| 2| 1 | ... | ... | ... June 26|241|155| 82| 48| 16|2.80|0.42| 15| 1| 1 | ... | ... | ... June 27|241|155| 82| 48| 16|2.99|0.44| 12| 1| 1 | ... | ... | ... June 28|241|155| 82| 48| 16|2.99|0.44| 9| 1| 1 | ... | ... | ... June 29|241|155| 82| 48| 16|2.99|0.44| 8| 1| 1 | ... | ... | ... June 30|241|155| 82| 48| 16|2.99|0.44| 10| 1| 1 | ... | ... | ... -------+---+---+---+---+---+----+----+---+---+----+------+------+----- July 1|241|155| 82| 48| 16|3.00|0.45| 8| 1| 1 | 80| 10| 4 July 2|241|155| 82| 48| 16|3.00|0.46| 8| 1| 0 | 290| 24| 5 July 3|241|155| 82| 48| 16|3.00|0.47| 8| 1| 0 | 350| 45| 6 July 4|241|155| 82| 48| 16|2.99|0.49| 9| 1| 0 | ... | ... | ... July 5|305|195|103| 61| 21|3.00|0.51| 10| 1| 0 | ... | ... | ... July 6|241|155| 82| 48| 16|3.00|0.51| 9| 1| 0 | 300| 36| 7 July 7|241|155| 82| 48| 16|2.99|0.53| 8| 1| 0 | 110| 10| 3 July 8|252|162| 86| 50| 17|3.00|0.53| 9| 1| 0 | 85| 22| 2 July 9|241|155| 82| 48| 16|3.00|0.54| 8| 1| 0 | 85| 26| 2 July 10|...|...|...|...|...| ...| ...| | | | 200| 3| 5 July 11|305|195|103| 61| 21|3.00|0.56| 12| 1| 0 | 145| 7| 3 July 12|241|155| 82| 48| 16|2.99|0.58| 11| 1| 0 | ... | ... | ... July 13|241|155| 82| 48| 16|3.00|0.60| 10| 1| 0 | 115| 34| 55 July 14|241|155| 82| 48| 16|2.99|0.62| 16| 1| 0 | 300| 55| 30 July 15|241|155| 82| 48| 16|2.99|0.64| 17| 1| 0 | 180| 32| 23 July 16|241|155| 82| 48| 16|3.00|0.67| 13| 1| 0 | 100| 115| 3 July 17|241|155| 82| 48| 16|2.99|0.71| 10| 1| 0 | 65| 275| 5 July 18|241|155| 82| 48| 16|2.99|0.73| 11| 1| 0 | 38| 425| 10 July 19|241|155| 82| 48| 16|3.00|0.76| 12| 1| 0 | ... | ... | ... July 20|241|155| 82| 48| 16|2.99|0.79| 10| 1| 0 | 95| 90| 70 July 21|252|162| 86| 50| 17|2.99|0.83| 10| 1| 1 | 70| 17| 4 July 22|241|155| 82| 48| 16|2.99|0.87| 13| 1| 1 | 440| 8| 5 July 23|305|195|103| 61| 21|2.99|0.92| 54| 4| 1 | 650| 26| 5 July 24|331|212|111| 66| 22|2.98|0.99|305| 61| 1 | 1,650| ... | ... July 25|265|170| 90| 53| 18|2.98|1.08|330| 85| 1 | 2,600| 115| 15 July 26|252|162| 86| 50| 17|2.98|1.21|290| 77| 2 | ... | ... | ... July 27|305|195|103| 61| 21|2.98|1.40|335| 87| 2 |35,000| 250| ... July 28|252|162| 86| 50| 17|2.98|1.68|170| 52| 2 | 1,200| 1,350| 15 July 29|252|162| 86| 50| 17|2.97|2.14|180| 52| 2 | 2,000| 600| 13 July 30|252|162| 86| 50| 17|2.97|2.65|237| 56| 2 | 800| 1,300| 12 July 31|241|155| 82| 48| 16|2.95|3.01|250| 60| 2 | 1,000| 310| 7 =======+===+===+===+===+===+====+====+===+===+====+======+======+=====