# US 2021/0340749 A1 · System for increasing and displaying effectiveness and efficiency of stormwater infrastructure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0340749 A1 - Document ID: US20210340749A1 - Status: Published application - Kind: A1 - Application number: 17/302,071 - Filed: 2021-04-22 - Published: 2021-11-04 - Earliest claimed: 2020-04-22 - Assignees: P4 Infrastructure, Inc. - Applicants: P4 Infrastructure, Inc. - Inventors: Joseph A. Diekfuss; Christopher M. Foley; David A. Oplinger - Web page: https://patentgrep.com/patent/US20210340749A1 ## CPC - E03F 5/107: {Active flow control devices, i.e. moving during flow regulation} - E01C 11/225: {Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage (E01C9/004, E01C9/008, E01C9/08, E01C9/10, E01C11/228, E01C13/00 take precedence)} - E03F 1/002: {with disposal into the ground, e.g. via dry wells} - E03F 5/042: Arrangements of means against overflow of water, backing-up from the drain - E03F 2201/20: Measuring flow in sewer systems - Y02A 10/30: Flood prevention; Flood or storm water management, e.g. using flood barriers - E03F: SEWERS; CESSPOOLS - E01C: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract 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. ## Claims ### Claim 1 An active water storage infrastructure management facility comprising: 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, said real-time-control valve moveable between an open position and a closed position, wherein when the said real-time-control valve is in a closed position, no runoff water exits the drain system and wherein when the said real-time-control valve is in an open position, the portion of the volume of runoff water exits the drain system. ### Claim 2 (depends on 1) An active water storage infrastructure management facility of claim 1 further comprising a control system in electronic communication with the liquid level sensor, the fluid flow sensor, and the real-time-control valve. ### Claim 3 (depends on 1) An active water storage infrastructure management facility of claim 1 wherein the drain system is an underdrain. ### Claim 4 (depends on 1) An active water storage infrastructure management facility of claim 1 wherein the BMP includes permeable pavement. ### Claim 5 (depends on 4) An active water storage infrastructure management facility of claim 4, wherein the storage gallery is an aggregate sub-base. ### Claim 6 (depends on 1) A method for using the active water storage infrastructure management facility of claim 1, the method comprising: measuring the volume of stormwater runoff introduced into the storage gallery due to a precipitation event using at least the liquid level sensor; measuring a first portion of the volume of stormwater runoff that is removed from the storage gallery through the drain system using at least the fluid flow sensor; determining a second portion of the volume of stormwater runoff that permeates through a subgrade adjacent to the storage gallery; determining the amount of one or more pollutant which exits the stormwater BMP through the drain system using the determined first portion of the volume of stormwater runoff; and determining the amount of the one or more pollutant which exits the stormwater BMP through the drain system using the determined second portion of the volume of stormwater runoff. ### Claim 7 A method of operating a stormwater BMP, the method comprising: measuring a volume of stormwater runoff introduced into a storage gallery of a BMP due to a precipitation event using at least a fluid level sensor disposed in the storage gallery; measuring a first portion of the volume of stormwater runoff that is removed from the storage gallery through a drain system in fluid communication with the storage gallery using at least one fluid flow sensor disposed on the drain system; and determining a second portion of the volume of stormwater runoff that is either maintained in the storage gallery or permeates through a subgrade adjacent to the storage gallery. ### Claim 8 (depends on 7) The method of claim 7 further comprising the step of controlling an outflow of the drain system to control the second portion of the volume of stormwater runoff to optimize an operation of the BMP to meet one or more stormwater runoff compliance parameters. ### Claim 9 (depends on 8) The method of claim 8 further comprising the step of maintaining a maximum draw-down time of the storage gallery through controlling the outflow of the drain system. ### Claim 10 (depends on 8) The method of claim 8 further comprising measuring a contained volume of runoff within the storage gallery using at least a fluid level sensor disposed in the storage gallery; obtaining a weather precipitation forecast, wherein the outflow of the drain system is controlled in real-time based upon the measurement of the contained volume of stormwater in the storage gallery and the weather precipitation forecast. ### Claim 11 (depends on 8) The method of claim 8 further comprising measuring a contained volume of runoff within the storage gallery using at least a fluid level sensor disposed in the storage gallery; measuring precipitation in real-time, wherein the outflow of the drain system is controlled in real-time based upon the measurement of the contained volume of stormwater in the storage gallery and the real-time precipitation measurement. ### Claim 12 (depends on 7) The method of claim 7 further comprising the step of maintaining a maximum draw-down time of the storage gallery through controlling the outflow of the drain system. ### Claim 13 (depends on 7) The method of claim 7 further comprising the steps of: determining the amount of one or more pollutant which is removed by the stormwater BMP using the determined first portion of the volume of stormwater runoff; and determining the amount of the one or more pollutant which is removed by the stormwater BMP through infiltration through a subgrade of the BMP using the determined second portion of the volume of stormwater runoff. ### Claim 14 (depends on 13) The method of claim 13, further comprising the steps of controlling an outflow of the drain system to control the second portion of the volume of stormwater runoff to optimize the amount of the one or more pollutants which is removed by the stormwater BMP through infiltration through the subgrade of the BMP. ### Claim 15 (depends on 14) The method of claim 14 further comprising the step of maintaining a maximum draw-down time of the storage gallery through controlling the outflow of the drain system. ### Claim 16 (depends on 14) The method of claim 14 further comprising the step of measuring a contained volume of runoff within the storage gallery using at least a fluid level sensor disposed in the storage gallery; obtaining a weather precipitation forecast, wherein the outflow of the drain system is controlled in real-time based upon the measurement of the contained volume of stormwater in the storage gallery and the weather precipitation forecast. ### Claim 17 (depends on 14) The method of claim 14 further comprising measuring a contained volume of runoff within the storage gallery using at least a fluid level sensor disposed in the storage gallery; measuring precipitation in real-time, wherein the outflow of the drain system is controlled in real-time based upon the measurement of the contained volume of stormwater in the storage gallery and the real-time precipitation measurement. ### Claim 18 (depends on 7) The method of claim 7 further comprising the steps of: presenting information to a user of a system for monitoring stormwater infrastructure efficiency and progress related to EPA compliance by calculating a modeled data point of one or more infrastructure performance elements of one or more stormwater infrastructure elements, measuring a value of actual performance of the one or more infrastructure performance elements of the one or more stormwater infrastructure elements, and displaying a comparison of the modeled data point and the value of actual performance in a graphical format. ### Claim 19 An active water storage infrastructure management facility operating system comprising: a permeable pavement surface; a permeable base material disposed under the permeable pavement surface; an underdrain system comprising a plurality of individual drain lines and having at least one outflow point; a control system for managing the operations of the water storage infrastructure; a plurality of sensors for measuring one or more operating parameter, the sensors disposed in the underdrain system, each of the plurality of sensors in electronic communication with the control system; at least one outflow valve disposed at the outflow point, said outflow valve in electronic communication with the control system; and wherein the control system operates the outflow valve based upon the measurements of one or more of the plurality of sensors.