while still providing a large flow area fastenerless construction fasteners are not used in the present solution the built in surge chamber 108 this chamber 108 on either or both the suction and pressure side of the pump 100 facilitates smooth water flow portability of the pump the present solution is portable and completely free standing a multi position handle 110 a multi position handle can be placed in any one of multiple positions allowing the user to find his her most comfortable position and even to switch when tired this is all the more important since the ratio of effort needed on each side of the rocker 104 depends on the ratio of the pressure and suction heads a contoured footpad 112 the footpad is contoured to allow continuous comfort and maximum pumping efficiency for a thorough description of the present invention reference is now made to the detailed embodiments of the invention illustrated in the accompanying drawings turning now to fig1 there is shown perspective view of the present invention and its various components there is shown a frame 116 having a pivotally mounted rocker 104 for mounting contoured footpads 112 a treadle 122 and treadle stoppers 124 a.