Haverstraw Water Supply Project DEIS

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Chapter 9: Natural ResourcesTable 9-1 (cont’d)Surface Water Quality Standards for Class SB Saline Surface WatersSUBSTANCESTANDARD(ug/L)TYPENumeric Standards (continued)Hexachloroethane 0.6 H(FC)Hydrogen sulfide 2 A© Aquatic Type standards apply to undissociated formLead 8 A© Aquatic Type standards apply to dissolved formLead 204 A(A) Aquatic Type standards apply to dissolved formMalathion 0.1 A©Mercury 7 x 10 -4 H(FC) Applies to dissolved formMercury 0.0026 W Applies to dissolved formMethoxychlor 0.03 A©Methylene chloride 200 H(FC)Mirex 1 x 10 -6 H(FC)Mirex 0.001 A©Nickel 8.2 A© Aquatic Type standards apply to dissolved formNickel 74 A(A) Aquatic Type standards apply to dissolved formOctachlorostyrene 6 x 10 -6 H(FC)Polychlorinated biphenyls 1.2 x 10 -4 W Applies to the sum of these substancesToluene 6000 H(FC)Toxaphene 6 x 10 -6 H(FC)Toxaphene 0.005 A©Trichlorobenzenes5 A©Applies to the sum of 1,2,3-, 1,2,4- and 1,3,5-trichlorobenzene1,1,2-Trichloroethane 40 H(FC)Zinc 66 A© Aquatic Type standards apply to dissolved formNarrative StandardsTurbidityNo increase that will cause a substantial visible contrastto natural conditionsSuspended, colloidal andsettleable solidsOil and floating substancesGarbage, cinders, ashes, oils,sludge and other refusePhosphorus and nitrogenpHNone from sewage, industrial wastes or other wastes thatwill cause deposition or impair the waters for their bestusagesNo residue attributable to sewage, industrial wastes orother wastes, nor visible oil film nor globules of greaseNone in any amountsNone in amounts that will result in growths of algae,weeds and slimes that will impair the waters for their bestusagesThe normal range shall not be extended by more thanone-tenth (0.1) of a pH unit.Dissolved oxygen (DO) Chronic: Shall not be less than a daily average of 4.8mg/LAcute: Shall not be less than 3.0 mg/L at any timeTotal coliforms (number per 100ml)Fecal coliforms (number per 100ml)The total and fecal coliformstandards shall be met during allperiodsThe monthly median value and more than 20 percent ofthe samples, from a minimum of five examinations, shallnot exceed 2,400 and 5,000, respectively.The monthly geometric mean, from a minimum of fiveexaminations, shall not exceed 200(1) when disinfection is required for SPDES permitteddischarges directly into, or affecting the best usage of,the water; or(2) when the department determines it necessary toprotect human health.Types:H(WS): Health (Water Source); H(FC): Health (Fish Consumption); A(C): Aquatic (Chronic); A(A): Aquatic (Acute); W: Wildlife;E(WS): Aesthetic (Water Source); E(FS): Aesthetic (Food Source); R: Recreation.Source: New York Department of Environmental Conservation. Part 703: Surface Water and Groundwater Quality Standardsand Groundwater Effluent Limitations. http://www.dec.ny.gov/regs/4590.html9-11
Haverstraw Water Supply Project DEISParameter Units Average Maximum MinimumTable 9-22007-2008 Hudson River Water Quality DataCollected within the Study Area for the Proposed ProjectDrinkingWaterFederalStandardDrinkingWater NYSStandardClass SBStandardAlkalinitymg/L as 58.2 100 5 - - NSCaCO3Dissolved Organic Carbon mg/L 2.4 4.4 2 - - NSDissolved Oxygen mg/L 8.8 14.7 3.1 - - Chronic: 4.8Acute: 3.0Nitrate as N mg/L 0.8 3.5 0.26 10 10 NSNitrite as N mg/L 0.03 0.16 0.011 1 1 NSNitrogen, Total mg/L 2.4 3.5 1.2 10 10 See Table 9-1Oil and Grease, total mg/L 3.5 7 1 - - See Table 9-1pH --- 7.5 8.4 6.7 6.5-8.5 - See Table 9-1Phosphorus, Total mg/L 0.2 0.24 0.1 - - See Table 9-1Salinity ppt 3.2 14.5 0.1 - - NSSettleable Solids mL/L 0.1 0.1 0.1 - - See Table 9-1Specific Conductance at 25uS/cm 5,728 24,000 169 - - NSdegrees CSulfate mg/L 0.255 0.770 0.002 250 250 NSTemperature degrees C 18.2 30.0 2.5 - - NSTotal Dissolved Solids mg/L 3,517 11,000 8.3 500 - NSTotal Organic Carbon mg/L 2.4 4.7 94 - - NSTotal Suspended Solids mg/L 25.5 100 1.2 - - See Table 9-1Total Volatile Suspended Solids mg/L 4.6 35 1 - - NSTurbidity NTU 22.5 85.0 2.0 - - See Table 9-1MetalsAluminum mg/L 0.994 3.1 0.250 0.05-0.2 - NSAmmonia mg/L 1.7 1.9 1.6 - - Chronic: 35Acute: 230Boron ug/L 453.2 1300 5 - - 1,000Bromide mg/L 7.4 27 50 - - NSCalcium ug/L 63,568 140,000 19,000 - - NSChloride mg/L 2,068 40,000 0.08 250 250 NSFluoride mg/L 0.3 0.29 0.22 2.0 2.2 NSIron mg/L 1.16 3.60 0.112 0.3 0.3 NSLead ug/L 5.6 6 5.1 - - Chronic: 8Acute: 204Magnesium ug/L 139,788 290,000 6,200 - - NSManganese mg/L 0.72 0.13 0.035 0.05 0.3 NSPotassium ug/L 85,996 210,000 6,900 - - NSSilica ug/L 6,604 15,000 1,600 - - NSSilica Dissolved ug/L 2,825 5,300 1,300 - - NSSodium ug/L 1,071,862 3,300,000 12,000 - - NSZinc mg/L 0.028 0.050 0.022 5 5 66MicrobialFecal coliform cfu/100mL 78.2 900 5 (1) Zero 200Total coliform cfu/100mL 711 2,419 10 (1) Zero 2,400Escherichia coli cfu/100mL 62.9 2,000 1.2 (1) Zero NSNotes: NS = no standard(1) Drinking water must be disinfected, and filtered or meet the criteria to avoid filtration to control contaminant to specified level.For Total coliform, no more than 5.0% samples may test positive for total coliform in a month. (For water systems that collect fewerthan 40 routine samples per month, no more than one sample can be total coliform-positive per month.) Every sample that hastotal coliform must be analyzed for either fecal coliforms or E. coli if it has two consecutive total coliform-positive samples, and oneis also positive for E.coli fecal coliforms, the system has an acute MCL violation.Source: Black & Veatch 2008. Draft Conceptual Design Report Long-Term Water Supply Project. Prepared for United Water New York.June 2008.9-12
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