Mean Higher High Water (MHHW definition

Mean Higher High Water (MHHW means the arithmetic average of the elevations of the Higher High Waters of a Mixed Tide over a specific 19-year period. For shorter periods of observation, corrections are applied to eliminate known variations and reduce the result to the equivalent of a mean 19-year interval.
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Mean Higher High Water (MHHW means a tidal datum. The average of the higher of
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Mean Higher High Water (MHHW means the average of the higher high water height of each tidal day over a total epoch (19 years).
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Examples of Mean Higher High Water (MHHW in a sentence

  • Sediment transport can be restored by removing armor, structures that infringe below Mean Higher High Water (MHHW), and other obstructions to littoral sediment transport such as groins and jetties.

  • The park is home to the North Carolina Football Club (NCFC) which is part of the United Soccer League.

  • Reports indicate the 2006 mean range of tides at the Customhouse Wharf in Charleston is 5.3 feet, with the Mean Higher High Water (MHHW) reported to be + 6.1 feet Mean Lower Low Water (MLLW), and Mean Tide (MT) reported as +2.8 ft MLLW.rainfall and slows upland drainage across the site.

  • Current and future high tide levels should be identified and mapped on the study area, specifically the current high tide as indicated by the Mean Higher High Water (MHHW) datum developed by NOAA, as well as future MHHW in the 2050s, 2080s, and 2100 using the most recent 90th percentile projections from the NPCC.

  • On December 8, 1939, Leslie Salt’s predecessor, Stauffer Chemical, submitted a permit application to the War Department to dam First Slough, which separated the existing industrial salt production ponds from the undeveloped eastern section of the site, and to construct levees around the eastern section.16 The application shows the base of the proposed dam five feet below Mean Lower Low Water (MLLW) and 13 feet below Mean Higher High Water (MHHW) in First Slough.

  • Estuary Zones shall be applied to all estuarine water, intertidal areas, submerged and submersible lands and tidal wetlands up to the line of non-aquatic vegetation or the Mean Higher High Water (MHHW) line, whichever is most landward.

  • These areas are bounded on the upland by Mean Higher High Water (MHHW) datum, other than the lower reaches of three tributary rivers.

  • The following conservation measures and BMPs would be implemented during construction in upland areas as needed.• Staging areas, stockpiles, and most of the MOF would remain above the Mean Higher High Water (MHHW) mark and would be sited to minimize adverse effects to wetlands, habitats identified as having higher ecological value, and any locations identified as having significant cultural resources.

  • Section 3.01.02 Estuary Zones - General Estuary Zones shall be applied to all estuarine water, intertidal areas, submerged and submersible lands and tidal wetlands up to the line of non-aquatic vegetation or the Mean Higher High Water (MHHW) line, whichever is most landward.

  • The City of Alameda normally experiences tides that range from -0.2’ Mean Lower Low Water (MLLW) to +6.4’ Mean Higher High Water (MHHW), based on the NAVD88 datum.

Related to Mean Higher High Water (MHHW

  • mean high water springs or “MHWS” means the highest level which spring tides reach on average over a period of time;

  • Fresh water means water, such as tap water, that has not been previously used in a process operation or, if the water has been recycled from a process operation, it has been treated and meets the effluent guidelines for chromium wastewater.

  • Ordinary high-water mark means either of the following:

  • Seasonal high water table means the level below the natural surface of the ground to which water seasonally rises in the soil in most years.

  • High Water Mark means the highest line reached by coastal waters, but excluding any line reached as a result of—

  • Very high radiation area means an area, accessible to individuals, in which radiation levels from radiation sources external to the body could result in an individual receiving an absorbed dose in excess of 5 Gy (500 rad) in one hour at one meter from a source of radiation or one meter from any surface that the radiation penetrates.

  • Potable water means water that is fit for human consumption.

  • Raw water means water withdrawn from a reservoir or well prior to any physical treatment of such water.

  • Native Hawaiian means any individual who is a descendant of the aboriginal people who, prior to 1778, occupied and exercised sovereignty in the area that now constitutes the State of Hawaii.

  • Non-potable water means water not safe for drinking, personal, or culinary use as determined by the requirements of 35 Ill. Adm. Code 604.

  • Storm water management plan means a comprehensive plan designed to reduce the discharge of pollutants from storm water after the site has under gone final stabilization following completion of the construction activity.

  • Market Participant Energy Injection means transactions in the Day-ahead Energy Market and Real-time Energy Market, including but not limited to Day-ahead generation schedules, real- time generation output, Increment Offers, internal bilateral transactions and import transactions, as further described in the PJM Manuals.

  • Class B operator means an individual designated by an UST system owner or operator as having control of or responsibility for the day-to-day operation and maintenance of the system. The Class B operator typically performs or ensures the performance of operation and maintenance activities at a UST facility, maintains records of those activities, and reports those activities to the department.

  • Project Water means water made available for delivery to the contractors by project conservation facilities and the transportation facilities included in the System.

  • Anti-Ragging Helpline means the Helpline established under clause (a) of Regulation 8.1 of these Regulations.

  • Class C operator means the individual responsible for initially addressing emergencies presented by a spill or release from an UST system. The Class C operator typically controls or monitors the dispensing or sale of regulated substances.

  • Ballast water means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship.

  • waste water means used water containing substances or objects that is subject to regulation by national law.

  • Base Load Generation Resource means a Generation Capacity Resource that operates at least 90 percent of the hours that it is available to operate, as determined by the Office of the Interconnection in accordance with the PJM Manuals.

  • Hot water means water at a temperature of 110°F. or higher.

  • Generation Owner means a Member that owns, leases with rights equivalent to ownership, or otherwise controls and operates one or more operating generation resources located in the PJM Region. The foregoing notwithstanding, for a planned generation resource to qualify a Member as a Generation Owner, such resource shall have cleared an RPM auction, and for Energy Resources, the resource shall have a FERC-jurisdictional interconnection agreement or wholesale market participation agreement within PJM. Purchasing all or a portion of the output of a generation resource shall not be sufficient to qualify a Member as a Generation Owner. For purposes of Members Committee sector classification, a Member that is primarily a retail end- user of electricity that owns generation may qualify as a Generation Owner if: (1) the generation resource is the subject of a FERC-jurisdictional interconnection agreement or wholesale market participation agreement within PJM; (2) the average physical unforced capacity owned by the Member and its affiliates over the five Planning Periods immediately preceding the relevant Planning Period exceeds the average PJM capacity obligation of the Member and its affiliates over the same time period; and (3) the average energy produced by the Member and its affiliates within PJM over the five Planning Periods immediately preceding the relevant Planning Period exceeds the average energy consumed by the Member and its affiliates within PJM over the same time period.

  • Greenhouse Gas means carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.

  • Deep poverty pocket means a population census tract having a

  • Consenting working interest owner means any working interest owner who enters into an agreement with SWN pertaining to the operation of the Fuchs E-M Unit.

  • Diameter at Breast Height (DBH) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • Class I renewable energy means electric energy produced from