The present invention presents both a method and system for controlling a stormwater management facility to operate in any one of a plurality of operational modes, each of which has differing environmental benefits resulting from its treatment of the stormwater that passes through the facility. A preferred embodiment of this system includes: an actuated control valve, a depth sensor, a valve controller that has internet connectivity and sensor interfaces and a user input means, controller software configured to control the operation of the control valve to operate in one of its plurality of operating modes, and private-cloud-based, internet-accessible, engine software that is configured to utilize weather forecasts to calculate a temporally-varying, targeted depth for the stormwater in the facility that maximizes the volume of stormwater treated in the SWM facility.

A plumbing float valve is provided that includes: (i) a flexible stopper; (ii) a float portion; (iii) a gate; (iv) a gate mounting assembly; and (v) a hinge. The flexible stopper is configured to seal a pipe. The float portion is configured to float on water. The gate is configured to couple the rubber stopper on one side and the float portion on another side. The gate mounting assembly includes: (i) a pivot; (ii) a movable arm; and (iii) one or more latches. The movable arm is configured to rotate about the pivot, and the one or more latches are configured to prevent movement of the movable arm about the pivot. The hinge of the plumbing float valve couples the gate to the gate mounting assembly.

A vacuum sewage system includes a collection station, a variable speed vacuum pump, a variable speed drive, a control system, a sewage pump, a collection tank, a valve pit, a first conduit extending from the collection station to the valve pit, a second conduit extending from the valve pit and terminating in a closed end, a sensor located adjacent the closed end of the second conduit, and a valve located in the valve pit for selectively permitting sewage and waste water to flow from the valve pit toward the collection station upon activation of the valve. The control system, variable speed drive and sensor may be utilized to adjust the vacuum level and vacuum level range at the collection station so as to reduce the speed and operation time of the variable speed vacuum pump while maintaining the desired vacuum level in the vacuum sewage system.

An active water storage infrastructure management facility that includes a stormwater BMP comprising a storage gallery for containing a volume of stormwater runoff, a drain system in fluid communication with the storage gallery, a liquid level sensor disposed in the storage gallery for measuring the volume of runoff water introduced into the storage gallery, a fluid flow sensor disposed on the drain system to measure a portion of the volume of runoff water exiting the drain system, and a real-time-control valve disposed proximate an outlet end of the drain system. The facility may also include a control system in electronic communication with the liquid level sensor, the fluid flow sensor, and the real-time-control valve. The facility may be used to control the outflow of runoff through the real-time-control valve so as to optimize the operation of the facility for a particular design capability.

A drain or sump box features a combination of a housing, a pump, a float switch and a deodorant bar retainer. The housing may include a housing floor and a wall structure attached thereto and configured to receive and contain waste water. The pump is arranged in the housing to respond to signaling for pumping the waste water from the housing. The float switch is arranged in the housing to sense the level of the waste water and provide the signaling to turn the pump on when the waste water exceeds a certain level. The deodorant bar retainer is arranged in the housing in the housing to receive and retain a deodorant bar for preventing, reducing or masking waste water odor and associated bacteria causing the waste water odor.

The present invention relates to a system and method for containing environmental spills at a zone, for example at a port or rail facility, in order to prevent nm-off water from contaminating the environment. The system and method relates to a water parameter sensor system which is compared to stored contaminants to establish the nature of the contaminant. The system and method further relates to the comparison of the identified contaminant to a manifest database to be able to establish where a spill or leakage may be found.

A remote pond volume adjustment system includes a control circuit, a weather receiver configured to receive a public broadcast from the National Weather Service, and a weather receiver decoder connected with the weather receiver and the control circuit that is configured to digitize the public broadcast and output a digital weather code. A cellular network communication device connected with the control circuit is configured to communicate with a property manager/owner. The control circuit is programmed to selectively open and close a drain valve based on at least one of a communication from the property manager and the digital weather code.

The invention relates to a system for controlling a flow of liquid from a first to a second reservoir (1,2). The system comprises an intermediate reservoir (4) having an inlet (5) in fluid communication with the first reservoir and an outlet (6) in fluid communication with the second reservoir. A valve (7) at the inlet moves between an open position in which liquid can flow from the first reservoir to the intermediate reservoir via the inlet and a closed position. The valve comprises a float (7a) that floats on liquid present in the intermediate reservoir and thereby controls the position of the valve dependent on the liquid level in the intermediate and second reservoirs. The closing is provided by the buoyant force of the float moving a closing surface (10) of the valve into a liquid tight engagement with the inlet thereby providing a liquid tight closure between the first and intermediate reservoirs.

An automated water control device comprises a rotatable housing that can be incrementally positioned to control flow of water over an upper or weir edge of the housing. The device is installed at a control point in an impoundment area, such as a settling pond. The housing is selectively rotated to raise and lower the height of the weir edge to a target gate height. Automatic control is provided for operation of the device by a controller communicating with an actuator. A system of the invention includes one or more water control devices and the controller. A method of the invention includes controlling flow of water from an impounded water source by use of the automated water control device. Manual or semi-automated embodiments are also disclosed.

A method and apparatus for preventing the escape of hazardous materials from fluid flow control systems of the character used by municipalities for carrying runoff storm water away from streets and populated areas.