... Report, Small Community Water and Wastewater Treatment, Figure 2, p. 33 (EPA /625/R-92/ 010) September 1992.) THE WATER ENCYCLOPEDIA: HYDROLOGIC DATA AND INTERNET RESOURCES9 -3 6q 2006 by Taylor & ... —Ammonia-nitrogen, mg/L 7–40 20–60 !0.5Nitrate-nitrogen, mg/L !1 !125Total phosphorus, mg/L 10 27 10 30 —Fecal coliforms (# /100 mL) 10 6 10 10 10 3 10 6 10 2 10 4Viruses (# /100 mL) Unknown 10 5 10 7—Source: ... Office of Water, Municipal Tech-nology Brach, Table 2 (EPA/823/F/F-99/040), September 1999. www.epa.gov/owm/mtb/screens.pdf. THE WATER ENCYCLOPEDIA: HYDROLOGIC DATA AND INTERNET RESOURCES9 -2 4q...