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Subpart 672-2: Ashokan, Kensico, Rondout and Schoharie Reservoirs

(Statutory authority: Environmental Conservation Law, §§ I-O101,3-0301,15-0805)

Historical Note

Subpart (§§672-2.1 -672-2.4) filed May 2, 1980err. 30 days after filing.

Contents:

Sec.

§672-2.1 Applicability and construction.

This Subpart shall apply to releases of water from Ashokan reservoir to Esopus Creek, Kensico reservoir to the Bronx River, Rondout reservoir to Rondout Creek, and Schoharie reservoir to Schoharie Creek. Except as otherwise specifically stated herein, this Subpart shall be construed in a manner consistent with Subpart 672-1 of this Part.

Historical Note

Sec. filed May 2, 1980 eff. 30 days after filing.

§672-2.2 Definitions.

In addition to the definitions set forth in section 672-1.2 of this Part the following words and terms shall have the meaning ascribed to them in this Subpart, unless the context requires otherwise:

(a) The term agency shall mean the department of environmental protection of the city of New York.

(b) The term agency reservoir releases manager shall mean that person formally designated by the commissioner of the department of environmental protection of the city of New York to fulfill the responsibilities of the agency reservoir releases manager set forth in this Part.

(c) Ashokan reservoir shall mean the reservoir known as the Ashokan reservoir located in the towns of Olive, Marbletown and Hurley, Ulster County.

(d) Bronx River shall mean that portion of a river known as the Bronx River which runs from the Kensico reservoir to the East River.

(e) Esopus Creek shall mean that portion of a creek known as Esopus Creek which runs from the Ashokan reservoir to the Hudson River.

(f) Kensico reservoir shall mean that reservoir known as the Kensico reservoir located in the towns of Mt. Pleasant, Harrison and North Castle, Westchester County.

(g) Rondout Creek shall mean that portion of a creek known as Rondout Creek which runs from the Rondout reservoir to the Hudson River.

(h) Rondout reservoir shall mean the reservoir known as the Rondout reservoir located in the town of Neversink, Sullivan County, and the town of Wawarsing, Ulster County.

(i) Schoharie reservoir shall mean that reservoir known as the Schoharie reservoir located in the towns of Conesville and Gilboa, Schoharie County, the town of Prattsville, Greene County, and the town of Roxbury, Delaware County.

(j) Total available water storage capacity shall mean that quantity of water in a reservoir which can be removed from the reservoir through release and/or diversion works.

(k) (1) Normal hydrologic condition shall mean a condition in which the total available amount of water stored in the Cannonsville, Pepaction and Neversink reservoirs constitutes a percentage of the total available water storage capacity of said reservoirs between the percentages of available water storage capacity indicated by curves A and B on that chart entitled "Operation Curves for Cannonsville, Pepacton and Neversink Reservoirs" included as Appendix 10 of this Subpart.

(2) Drought warning condition shall mean a condition in which the total available amount of water stored in the Cannonsville, Pepaction and Neversink reservoirs constitutes a percentage of the total available water storage capacity of said reservoirs between the percentages of available water storage capacity indicated by curves A and B on that chart entitled "Operation Curves fo Cannonsville, Pepacton and Neversink Reservoirs" included as Appendix 10 of this Subpart.

(3) Drought condition shall mean a condition in which the total available amount of water stored in the Cannonsville, Pepacton and Neversink reservoirs constitutes a percentage of the total available water storage capacity of said reservoirs equal to or less than the percentage of available water storage capacity indicated by curve B on that chart entitled "Operation Curves for Cannonsville, Pepacton and Neversink Reservoirs" included as Appendix 10 of this Sub- part.

Historical Note

Sec. filed May 2, 1980err. 30 days after filing.

§672-2.3

(a) Rondout reservoir.

(1) The agency shall make such releases from the Rondout reservoir as are necessary and sufficient to maintain the required constant minimum flows in Rondout Creek during the conditions and dates indicated in the following table. The reservoir storage conditions established for operation of Rondout reservoir are defined on the basis of conditions in Cannonsville, Pepacton and Neversink reservoirs. Such constant minimum flows shall be maintained and measured for the purposes of compliance with this Part at the blow off line venturi meter in the Rondout reservoir effluent chamber.

Reservoir Storage Condition Summer
May 1 -Oct. 31
Winter
Nov.1 -Apr. 30
Normal Hydrologic Condition 15 mgd (23.2 cfs) 15mgd (23.2 cfs)
Drought Warning Condition 10mgd (15.5cfs) 4 mgd (6.2 is)
Drought Condition 0 0

(2) The department reservoir releases manager in cooperation with the agency reservoir releases manager shall make feasibility studies on modification of release works pursuant to section672-1.4 (b) of this Part and conduct further analyses of down stream flow requirements.

(b) Ashokan, Schoharie and Kensico reservoirs. Owing to the lack of release works at the Ashokan, Schoharie and Kensico reservoirs that are adequate and appropriate to fulfill the purposes of this Part, this Subpart does not establish any required releases for said reservoirs. Required releases from such reservoirs may be established at some future date, following completion of the department's studies pursuant to section 672-1.4 (b) of this Part and upon construction of proper release works. While said reservoirs are not subject to any release requirements at this time, they are subject to all other applicable provisions of this Part.

(c) The agencies not required to provide any notice to the department prior to the commencement of any action that is consistent with the provisions of subdivision (a) of this section.

(d) The agency shall comply with a request by the department pursuant to subdivision (g) of section672-1.3of this Part.

Historical Note

Sec. filed May 2, 1980 eff. 30 days after filing.

§672-2.4 Monitoring.

(a) The agency reservoir releases manager shall be responsible for monitoring the total amount of water stored in the Cannonsville. Pepacton and Neversink reservoirs and for the department reservoir releases manager at least24 hours prior to an anticipated from one reservoir storage condition to another.

Historical Note

Sec. filed May 2, 1980 eff. 30 days after filing.