5 years ago

ptJ- ftcE- 67~ ~O1OY-0 - part - usaid

ptJ- ftcE- 67~ ~O1OY-0 - part - usaid

Mmlstry ofWater and

Mmlstry ofWater and lITIgatIOn Water Quahty Improvement and ConservatIon Project Spnng Momtormg Plan should help establIsh a set of water supply rules WhICh take mto account the vanabIhty of water quantIty and quahty and the trend of water demand (short, medmm, and long term) These rules should define the water allocatIOn pnonty for water use sectors and mclude the management of sprmg waters, under drought cond1tIOns Water quahty data also WIll help estabhsh declSlon rules for water allocatIOn for dIfferent water use sectors, accordmg to the JordanIan Standards DataOuahty Data Quahty ObjectIves (DQOs) are quahtatIve and quantItat1ve statements spec1fied to ensure that data of known rehab1hty are obtamed from a momtormg program In addItIOn, the 1dent1ficatlOn of momtormg reqlllrements mvolves specIfymg the data measurement technIques/methods, momtonng statIOn deSIgn, number of statlOns, data measurement frequency, types of data to be measured, and the level of quahty control reqUIred As data needs are establIshed or refined, loglstlcal planmng can be conducted to ensure that data are acqUIred expedItIOusly and cost effectlvely Data qualIty objectIves constantly must be re­ evaluated and refined as new mformatIon IS obtamed Data qualIty 1S the degree of certamty of data w1th respect to preCISIOn, accuracy, reproduc1bIlIty, comparab1hty, and completeness Several levels of qualItatlVe and quantltat1ve speCIfiCIty have been defined for data qualIty Two Data QualIty Levels (DQLs) have been 1dentIfied for the spnngs momtormg program The two DQLs are defined as follows Level I -- FIeld Measurements Th1s level mcludes data whIch generally can be qUIckly obtamed from field measurement actIVItIes Data measurement typIcally mvolves use of portable or transportable mstruments or collectlOn of dIscharge data at statIOns WIth natural controls where the flow path may ShIft after floods (1 e , for spnngs dIschargmg m wadIS) and therefore reduce the expected accuracy of the dIscharge mformatlOn Level I data are used for on­ SIte screenmg, baselme data development, and rapId field determmatlOn of the general charactenzatlOn of the dIscharge and water quahty condItIons assocIated WIth spnngs \ \momtor\m-plans\spnngs\sprmg-wr rvO 5 3114-97-1c-037 December 1997

MinIstry ofWater and Irngatlon Water QualIty Improvement and ConservatlOn Project Sprmg Momtormg Plan Level II -- Flow Control Structures Measurements or Laboratory AnalytIcal Data ThIS level provIdes data of greater completeness and reprodUCIbIlIty from statIOns located at flow control structures, mdudmg properly mstalled portable or pennanent weIrs Flow control structures are engmeered deVIces to proVIde a hIgh level of relIabIlIty and reprodUCIbIlIty m the data measured TypIcally the data are obtamed at a rate slower than prOVIded by Level I However, the data present a more complete descnptIOn of the hydrologiC processes at a statIOn For water qualIty data, standardIzed testmg procedures eqUIvalent to those used for mternatlOna1 testmg, potentially mc1udmg the Umted States EnVIronmental ProtectIOn Agency procedures for water and wastewater, are used Level I data WIll conSist of field measurements such as water level or stage, discharge, water velOCity, cross-sectIOnal area, travel distance, and related hydraulIc parameters Level II data typically Will conSist of water level or stage controlled by wens or stable natural controls Discharge data WIll be expected to be ofgood accuracy as determmed from weirs and current meters Record stations With natural controls may be at Level I because of shlftmg m the configuratIOn ofthe control whIch may occur dunng flood events, resultmg m discharge data of lesser accuracy Concernmg water qualIty, Level I data Will conSist of field measurements of spnng water qualIty parameters such as pH, temperature, speCIfic conductance, turbIdIty, and dissolved oxygen Level II data Will conSist of results of analyses of spnng water samples for the substances discussed III SectiOn 30 ofthIs document The quahty assurance/qualIty control obJectlves for all measurements mclude representatlveness, completeness, comparabIlity, preclslOn, and accuracy The defimtIOn of these tenns and the cntena used for then evaluatIOn are lIsted below RepresentatIveness Data measured or samples collected durmg perfonnance ofthe tasks for thIS program must be representatIve of the dIscharge and water qualIty of the spnng under mvestigatIOn and must be obtamed usmg accepted and valId techniques Any vanatIOns m measurement techmques, reqUIred field condItIOns, or environmental condItIOns should be noted m the field log book \ \momtor\m-plans\spnngs\sprmg wr rvO 6 311497-1c-037 December 1997

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