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HomeMy WebLinkAboutA8 - Zancanella Report Stamped04102025 County Report .docx April 10, 2025 April 10, 2025 Tim Malloy TG Malloy Consulting, LLC 402 Park Drive Glenwood Springs, CO 81601 Re: Lake Springs Ranch PUD Dear Tim: This report is in support of the application to amend the PUD zoning and preliminary plan for the Lake Springs Ranch PUD. The current unit count is 84 single-family lots, and 10 multi-family affordable housing units. All units will have 2500 square feet of irrigation per unit. See attached Table 2a for additional development summary data. The proposed plan can be served by the existing Basalt District 01CW305 plan (attached). The domestic water will be supplied from Wells D and E for the domestic water for a total of 99.5 EQRs. The existing plan provides for 66 AF of diversions. There will also be up to 4 acres of irrigated open space or park land from a raw water irrigation system from the Lake Springs Ranch Spring. Some additional service EQRs have been included to provide water rights flexibility. The exact size of the homes to be constructed is not known at this time. The estimated water requirements for the project (see Table 2a) are based on the assumption that there is equivalent to one single family home on each of the 84 Lots as well as for the 10 multi- family units. The lots on average serve 3.5 people using 350 gallons per day and irrigate up to 2500 square feet of lawn or garden. The water demands of the Lake Springs Ranch PUD will be satisfied by two wells, Well D and Well E. Our previous reports to the County dated June 28, 2001, May 7, 2002, 84 Single family 1 EQR/unit 84 2.75 additional uses for larger houses or other uses 0.5 EQR/unit 5.5 10 Multi family 1 EQR/unit 10 Total 99.5 From Lake Springs Ranch Spring 4 Acres 04102025 County Report .docx April 10, 2025 and March 25, 2010, confirmed that the two wells are legally entitled to produce water sufficient to meet the needs of 99.5 EQRs under the Basalt Water Conservancy District contract approved in Case No. 01CW305. All the Lake Springs Ranch Wells A-E and the Lake Springs Ranch Spring are covered by one Basalt District Contract up to 450 gpm and consumptive use of 66-acre feet. This will allow the 84 units, 10 Muli-family and 4 acres of raw water irrigation from the Lake Creek Ranch Spring to be accommodated. The previous reports stated that Well D can produce water of sufficient quantity and quality to meet the needs of 99.5 EQRs on its own. Well E has been constructed and tested at 220 gpm and was being used for supplemental irrigation purposes by the sod farm. The attached report confirms that Well E produces water in sufficient quantities and quality to meet the needs of the amended PUD (see attached Well E test). In September and October of 2023 Well E was retested to confirm that well E was in good condition and capable of providing the water supply for the proposed PUD. Well E was pumped for more than 24 hours continuously. Recovery of the water level after pumping was then observed for an additional 9 days. From the chart in Figure 7 it can be seen that Well E drew down from 193.8 feet to 195.3 during the 24 hour pumping test 8/30/23-8/31/2023 at a pumping rate of 115 gpm. From Table 2a it can be seen the peak diversion demand was estimated to occur in June at a rate of 72 gpm. The PUD estimated demands for the project can be met from Well E as the primary well. During the pumping test of Well E the water level in Well D was observed under normal recharge conditions. The well should have recovered in the same time period as it was pumped. In other words, if you pumped for 24 hours at 115 gpm you would expect the well to fully recover at the same interval. As with most wells in Spring Valley the withdrawal from the aquifer must match the annual available recharge. In November 2016, Well D was tested at a pumping rate of 100 gpm for 24 hours to demonstrate that the available well capacity was also available in Well D. On 10/2/2023 – 10/3/2023 Well D was pumped at 73 gpm continuously for a 24-hour period. The original plan was to pump at the original 2016 pumping rate of 100 gpm. However, the original pump that was to be used in Well D was damaged during pump installation and the motor failed. Due to the depth and hp requirements, a replacement pump was not available to pump 100 gpm. Therefore, the pump test was performed at 73 gpm which is the peak June diversion demand of the uses proposed in Table 2a. Well D should function adequately as a backup well for Well E. The correct pump and motor will be installed in Well D to use Well D as a full mechanical backup for Well E. The proposed 100 gpm pumping rate that was demonstrated in the 2016 pumping test should be used. 04102025 County Report .docx April 10, 2025 In 2016 the well test for Well D showed little drawdown while pumping at 100 gpm. The 2023 Well D Pump test at 73 gpm also showed little drawdown from 188.8 to 189.5 over the 24-hour pumping period. The observation of Well E also showed a similar recovery rate as was observed during the pumping of Well D. Because these wells are largely recharged by the winter snow precipitation the withdrawal from the aquifer must match the annual available recharge. We have consistently recommended that the water level in the Spring Valley aquifer be monitored monthly to ensure that annual pumping matches the available water on a long-term basis. A recommended joint monitoring program is currently proposed for: 1. Spring Valley Well No 1 2. LARP/ESM Well #3 3. Lake Springs Well E ( Berkley) proposed for monitoring 4. Los Amigos Well 6 (existing equipment installed) 5. CMC well 1 (existing equipment installed) The proposed pumping rate for the long-term use of the wells for both Well D and Well E is 100 gpm. The pump intake setting should be located at 240 feet for each well so that the production and pumping head is closely matched to the tank overflow elevation. The pump for Well D will need to be considered when pumping directly to the tank. Well D is 51/2 inches in diameter and is limited to a 4 inch pump and motor, a booster pump may be required. Water quality parameters were collected for laboratory analysis based on CDPHE requirements. All of the parameter MCL’s were within acceptable levels. See attached results in Tables WQ 1 and WQ 2. Both wells D and E were retested at 73 GPM and 115 GPM in September and October of 2023. The water quality test passed all the required MCLs (Maximum Contaminant levels) for drinking water. We would also recommend that the piping between the tank and the chlorination facility be large diameter (8 inch) pipe to provide mixing and plugged flow for additional chorine contact prior to entry into the tank. The appropriate pipe size will be based on the CDPHE submittal requirements for CT (chlorine contact time). We recommend that the water treatment facilities be located near the wells, so full-time winter access is not required to the tank. We also suggest the pump house be sized to accommodate the injection of two chemicals and filtration, if required in the future. 04102025 County Report .docx April 10, 2025 If you have any questions, please contact our office at (970) 945-5700. Very truly yours, Zancanella & Associates, Inc. Thomas A Zancanella Thomas A Zancanella | P.E. Office: 970.945.5700 | 970.379.2926 | Fax: 970.945.1253 taz@za-engineering.com Zancanella & Associates Inc. | Engineering Consultants 1011 Grand Avenue | Glenwood Springs, CO 81601 Attachments cc: Mike Berkeley # of Residences 99.5 EQRs # of Commercial Units 0 EQRs Pond Surface Area 0 acres # persons/residence 3.5 cap/EQR # persons/unit 3.5 cap/EQR Annual Net Evaporation 3 ft # gallons/person/day 100 gpcd # gallons/person/day 100 gpcdPercent Consumed 0.05 Percent Consumed 0.05Lawn Irrigation 2500 sq-ft/EQR Lawn Irrigation 2500 sq-ft/EQR Irrigated Open Space 4 acresApplication Efficiency 0.7 Application Efficiency 0.7 Application Efficiency 0.7Crop Irrig Reqmnt (CIR)1.87 ft Crop Irrig Reqmnt (CIR)1.87 ft Crop Irrig reqmnt (CIR)1.87 ftFrom Lake Springs Ranch Spring 4 acres (1)(2)(3)(4)(5)(6) (7)(8)(9)(10)(11) (12) (13)(14) Domestic Commercial Dom\Comm Open Space Pond Average Domestic Commercial Dom\Comm Open Space Pond AverageMonthIn-house In-house Irrigation Irrigation Evap.Total Flow In-house In-house Irrigation Irrigation Evap. Total Flow(ac-ft)(ac-ft) (ac-ft) (ac-ft)(ac-ft)(ac-ft) (gpm) (ac-ft)(ac-ft)(ac-ft) (ac-ft) (ac-ft) (ac-ft) (gpm) January 3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21February2.99 0.00 0.00 0.00 0.00 2.99 24.18 0.15 0.00 0.00 0.00 0.00 0.15 1.21March3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21April3.21 0.00 0.27 0.19 0.00 3.67 27.66 0.16 0.00 0.19 0.13 0.00 0.48 3.65May3.31 0.00 2.93 2.05 0.00 8.30 60.54 0.17 0.00 2.05 1.44 0.00 3.65 26.66June3.21 0.00 3.78 2.65 0.00 9.63 72.65 0.16 0.00 2.65 1.85 0.00 4.66 35.14July3.31 0.00 3.54 2.48 0.00 9.34 68.13 0.17 0.00 2.48 1.74 0.00 4.38 31.98August3.31 0.00 2.26 1.58 0.00 7.15 52.19 0.17 0.00 1.58 1.11 0.00 2.85 20.82September3.21 0.00 1.93 1.35 0.00 6.49 48.94 0.16 0.00 1.35 0.95 0.00 2.46 18.54 October 3.31 0.00 0.54 0.38 0.00 4.24 30.93 0.17 0.00 0.38 0.27 0.00 0.81 5.93 November 3.21 0.00 0.00 0.00 0.00 3.21 24.18 0.16 0.00 0.00 0.00 0.00 0.16 1.21 December 3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21 Annual 39.00 0.00 15.26 10.69 0.00 64.94 40.16 1.95 0.00 10.68 7.48 0.00 20.11 12.40 03/27/25 84 Single family 1 EQR/unit 84Zancanella & Assoc., Inc.2.75 additional uses for larger houses or other uses 0.5 EQR/unit 5.5Water Resources Engineers 10 Multi family 1 EQR/unit 10Glenwood Springs, CO \Total 99.5From Lake Springs Ranch Spring 4 Acres Table 2a Wells D and E Lake Springs Ranch Spring (4 acres) 01CW305 Estimated Water Requirements Diversion Requirements Consumptive Use Domestic Demands Commercial Demands Other Demands Water Use Inputs Water Use Calculations Thomas A Zancanella 3/17/2026 Vicinity Map TAZ TAZ 1 POST OFFFICE BOX 1908 - 1011 GRAND AVENUEGLENWOOD SPRINGS, COLORADO 81602 (970) 945-5700 CLIENT: DATE: PROJECT: FIGURE: CHKD BY:DRAWN BY:APPD BY: Lake Springs Ranch 97407 ZANCANELLA AND ASSOCIATES, INC. ENGINEERING CONSULTANTS Z:\97000's\97407 Lake Springs Sub., Dr. Berkeley\2016\2016 Well Test\Well_D.mxd 82 EAGLE COUNTY PITKIN COUNTY Carbondale Glenwood Springs This Map 0 2 41 Miles Well E Permit No. 60688-F Well D Permit No. 75843-F Legend Lake Springs P.U.D. Well Locations 0 2,000 4,0001,000 Feet 1 inch = 2,000 feet # of Residences 99.5 EQRs # of Commercial Units 0 EQRs Pond Surface Area 0 acres # persons/residence 3.5 cap/EQR # persons/unit 3.5 cap/EQR Annual Net Evaporation 3 ft # gallons/person/day 100 gpcd # gallons/person/day 100 gpcd Percent Consumed 0.05 Percent Consumed 0.05 Lawn Irrigation 2500 sq-ft/EQR Lawn Irrigation 2500 sq-ft/EQR Irrigated Open Space 4 acres Application Efficiency 0.7 Application Efficiency 0.7 Application Efficiency 0.7 Crop Irrig Reqmnt (CIR) 1.87 ft Crop Irrig Reqmnt (CIR) 1.87 ft Crop Irrig reqmnt (CIR) 1.87 ft From Lake Springs Ranch Spring 4 acres (1) (2) (3) (4) (5) (6) (7)(8) (9) (10) (11) (12) (13)(14) Domestic Commercial Dom\Comm Open Space Pond Average Domestic Commercial Dom\Comm Open Space Pond Average Month In-house In-house Irrigation Irrigation Evap. Total Flow In-house In-house Irrigation Irrigation Evap. Total Flow (ac-ft)(ac-ft)(ac-ft)(ac-ft)(ac-ft)(ac-ft)(gpm)(ac-ft)(ac-ft)(ac-ft)(ac-ft)(ac-ft)(ac-ft)(gpm) January 3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21 February 2.99 0.00 0.00 0.00 0.00 2.99 24.18 0.15 0.00 0.00 0.00 0.00 0.15 1.21 March 3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21 April 3.21 0.00 0.27 0.19 0.00 3.67 27.66 0.16 0.00 0.19 0.13 0.00 0.48 3.65 May 3.31 0.00 2.93 2.05 0.00 8.30 60.54 0.17 0.00 2.05 1.44 0.00 3.65 26.66 June 3.21 0.00 3.78 2.65 0.00 9.63 72.65 0.16 0.00 2.65 1.85 0.00 4.66 35.14 July 3.31 0.00 3.54 2.48 0.00 9.34 68.13 0.17 0.00 2.48 1.74 0.00 4.38 31.98 August 3.31 0.00 2.26 1.58 0.00 7.15 52.19 0.17 0.00 1.58 1.11 0.00 2.85 20.82 September 3.21 0.00 1.93 1.35 0.00 6.49 48.94 0.16 0.00 1.35 0.95 0.00 2.46 18.54 October 3.31 0.00 0.54 0.38 0.00 4.24 30.93 0.17 0.00 0.38 0.27 0.00 0.81 5.93 November 3.21 0.00 0.00 0.00 0.00 3.21 24.18 0.16 0.00 0.00 0.00 0.00 0.16 1.21 December 3.31 0.00 0.00 0.00 0.00 3.31 24.18 0.17 0.00 0.00 0.00 0.00 0.17 1.21 Annual 39.00 0.00 15.26 10.69 0.00 64.94 40.16 1.95 0.00 10.68 7.48 0.00 20.11 12.40 04/07/25 84 Single family 1 EQR/unit 84 Zancanella & Assoc., Inc. 2.75 additional uses for larger houses or other uses 0.5 EQR/unit 5.5 Water Resources Engineers 10 Multi family 1 EQR/unit 10 Glenwood Springs, CO \Total 99.5 From Lake Springs Ranch Spring 4 Acres Table 2a Wells D and E Lake Springs Ranch Spring (4 acres) 01CW305 Estimated Water Requirements Diversion Requirements Consumptive Use Domestic Demands Commercial Demands Other Demands Water Use Inputs Water Use Calculations https://zanda5700.sharepoint.com/Zdrive/2023 Jobs/23206 Longhorn-Lake Springs/2025/XLS/Eqruse2023 table 2a.xlsx Test No. Analyte Category Classification Regulation Units Detection Level Result Standard Status 1 Aluminum Metal Inorganic Secondary mg/L 0.003 Below DL 0.20 Pass 2 Antimony Metal Inorganic Primary mg/L 0.002 Below DL 0.0060 Pass 3 Arsenic Metal Inorganic Primary mg/L 0.004 Below DL 0.010 Pass 4 Barium Metal Inorganic Primary mg/L 0.01 0.17 2.0 Pass 5 Beryllium Metal Inorganic Primary mg/L 0.001 Below DL 0.0040 Pass 6 Cadmium Metal Inorganic Primary mg/L 0.0005 Below DL 0.0050 Pass 7 Calcium Metal Inorganic None mg/L 0.41 63.9 N/A N/A 8 Chromium Metal Inorganic Primary mg/L 0.01 Below DL 0.1000 Pass 9 Copper Metal Inorganic Primary mg/L 0.01 Below DL 1.3000 Pass 10 Iron Metal Inorganic Secondary mg/L 0.2 Below DL 0.30 Pass 11 Lead Metal Inorganic Primary mg/L 0.0025 Below DL 0.0150 Pass 12 Magnesium Metal Inorganic None mg/L 0.5 9.0 N/A N/A 13 Manganese Metal Inorganic Secondary mg/L 0.005 Below DL 0.050 Pass 14 Mercury Metal Inorganic Primary mg/L 0.001 Below DL 0.0020 Pass 15 Nickel Metal Inorganic Informal mg/L 0.01 Below DL 0.10 Pass 16 Silver Metal Inorganic Secondary mg/L 0.0005 Below DL 0.10 Pass 17 Sodium Metal Inorganic None mg/L 2.5 6.0 N/A N/A 18 Thallium Metal Inorganic Primary mg/L 0.001 Below DL 0.0020 Pass 19 Zinc Metal Inorganic Secondary mg/L 0.05 Below DL 5.0 Pass 20 Chloride Nonmetal Inorganic Secondary mg/L 0.5 3.1 250 Pass 21 Cyanide Nonmetal Inorganic Primary mg/L as CN-0.005 Below DL 0.20 Pass 22 Fluoride Nonmetal Inorganic Primary mg/L 0.2 Below DL 4.0 Pass 23 Selenium Nonmetal Inorganic Primary mg/L 0.002 Below DL 0.050 Pass 24 Sulfate Nonmetal Inorganic Secondary mg/L 0.5 5.5 250 Pass 25 Nitrate Oxidized Ammonia Inorganic Primary mg/L as N 0.01 1.2 10.0 (Category Total) Pass 26 Nitrite Oxidized Ammonia Inorganic Primary mg/L as N 0.004 Below DL 1.0 Pass 27 Alkalinity, Bicarbonate Wet Chemistry Inorganic None mg/L as CaCO3 5 189 N/A N/A 28 Alkalinity, Total Wet Chemistry Inorganic None mg/L as CaCO3 5 189 N/A N/A 29 Calcium Carbonate Wet Chemistry Inorganic None mg/L 1 160 N/A N/A 30 Conductivity, @ 25°C Wet Chemistry Inorganic None µS/cm 1 338 N/A N/A 31 Hardness Wet Chemistry Inorganic Informal mg/L as CaCO3 1 160 300 Pass 32 Langelier Index Wet Chemistry Inorganic None Standard Units 0.1 0.1 N/A N/A 33 pH Wet Chemistry Inorganic Secondary Standard Units 0.01 7.46 6.5 < pH < 8.5 Pass 34 Temperature, Test Wet Chemistry Inorganic None °C 0.1 20.0 N/A N/A 35 Total Dissolved Solids Wet Chemistry Inorganic Secondary mg/L 10 254 500 Pass 36 Asbestos Mineral Fibers Inorganic Primary MF/L 0.06 Below DL 7.00 Pass 37 Coliforms, Total (MPN) Bacterium Microorganism Primary MPN/100mL 1 0 0 Pass 38 Escherichia Coli (MPN) Bacterium Microorganism Primary MPN/100mL 1 0 0 Pass 39 Gross Alpha Activity Particle Radionuclide Primary pCi/L 1.2 4.8 15.0 Pass 40 Gross Beta Activity Particle Radionuclide Primary pCi/L 2.0 0.7 50.0 (Trigger Level) Pass 41 Radium 226 Radium Radionuclide Primary pCi/L 0.1 0.2 5.0 (Category Total) Pass 42 Radium 228 Radium Radionuclide Primary pCi/L 0.7 0.2 5.0 (Category Total) Pass 43 Radon Radon Radionuclide None pCi/L 13 170 N/A N/A 44 Uranium Uranium Radionuclide Primary mg/L 0.0007 0.0008 0.030 Pass 45 2,4,5-TP (Silvex) Synthetic Organic Primary mg/L 0.0002 Below DL 0.050 Pass 46 2,4-D Synthetic Organic Primary mg/L 0.0001 Below DL 0.070 Pass 47 Alachlor Synthetic Organic Primary mg/L 0.0002 Below DL 0.0020 Pass 48 Aldicarb Synthetic Organic Primary mg/L 0.0005 Below DL 0.0030 Pass 49 Aldicarb sulfone Synthetic Organic Primary mg/L 0.0005 Below DL 0.0020 Pass 50 Aldicarb sulfoxide Synthetic Organic Primary mg/L 0.0005 Below DL 0.0040 Pass 51 Atrazine Synthetic Organic Primary mg/L 0.0001 Below DL 0.0030 Pass 52 Benzo[a]pyrene Synthetic Organic Primary mg/L 0.00002 Below DL 0.00020 Pass 53 Carbofuran Synthetic Organic Primary mg/L 0.0005 Below DL 0.040 Pass 54 Chlordane Synthetic Organic Primary mg/L 0.0002 Below DL 0.0020 Pass 55 Dalapon Synthetic Organic Primary mg/L 0.001 Below DL 0.20 Pass 56 Di(2-ethylhexyl)adipate Synthetic Organic Primary mg/L 0.0006 Below DL 0.40 Pass 57 Di(2-ethylhexyl)phthalate Synthetic Organic Primary mg/L 0.0006 Below DL 0.0060 Pass 58 Dibromochloropropane Synthetic Organic Primary mg/L 0.00002 Below DL 0.00020 Pass 59 Dinoseb Synthetic Organic Primary mg/L 0.0002 Below DL 0.0070 Pass 60 Diquat Synthetic Organic Primary mg/L 0.0004 Below DL 0.020 Pass 61 Endothall Synthetic Organic Primary mg/L 0.009 Below DL 0.10 Pass 62 Endrin Synthetic Organic Primary mg/L 0.00001 Below DL 0.0020 Pass 63 Ethylene dibromide Synthetic Organic Primary mg/L 0.00001 Below DL 0.000050 Pass 64 Glyphosate Synthetic Organic Primary mg/L 0.005 Below DL 0.70 Pass 65 Heptachlor Synthetic Organic Primary mg/L 0.00001 Below DL 0.00040 Pass 66 Heptachlor epoxide Synthetic Organic Primary mg/L 0.00001 Below DL 0.00020 Pass 67 Hexachlorobenzene Synthetic Organic Primary mg/L 0.00002 Below DL 0.0010 Pass 68 Hexachlorocyclopentadiene Synthetic Organic Primary mg/L 0.00005 Below DL 0.050 Pass 69 Lindane Synthetic Organic Primary mg/L 0.00001 Below DL 0.00020 Pass 70 Methoxychlor Synthetic Organic Primary mg/L 0.00005 Below DL 0.040 Pass 71 Oxamyl (Vydate) Synthetic Organic Primary mg/L 0.0005 Below DL 0.20 Pass 72 Pentachlorophenol Synthetic Organic Primary mg/L 0.00004 Below DL 0.0010 Pass 73 Picloram Synthetic Organic Primary mg/L 0.0001 Below DL 0.50 Pass 74 Polychlorinated biphenyls Synthetic Organic Primary mg/L 0.0001 Below DL 0.00050 Pass 75 Simazine Synthetic Organic Primary mg/L 0.00007 Below DL 0.0040 Pass 76 Toxaphene Synthetic Organic Primary mg/L 0.0005 Below DL 0.0030 Pass 77 1,1,1-Trichloroethane Volatile Organic Primary mg/L 0.0005 Below DL 0.20 Pass 78 1,1,2-Trichloroethane Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 79 1,1-Dichloroethylene Volatile Organic Primary mg/L 0.0005 Below DL 0.0070 Pass 80 1,2,4-Trichlorobenzene Volatile Organic Primary mg/L 0.0005 Below DL 0.070 Pass 81 1,2-Dichloroethane Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 82 1,2-Dichloropropane Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 83 Benzene Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 84 Carbon tetrachloride Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 85 cis-1,2 Dichloroethylene Volatile Organic Primary mg/L 0.0005 Below DL 0.070 Pass 86 Dichloromethane (Methylene Chloride) Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 87 Ethylbenzene Volatile Organic Primary mg/L 0.0005 Below DL 0.70 Pass 88 Monochlorobenzene Volatile Organic Primary mg/L 0.0005 Below DL 0.10 Pass 89 o-Dichlorobenzene Volatile Organic Primary mg/L 0.0005 Below DL 0.60 Pass 90 Para-Dichlorobenzene Volatile Organic Primary mg/L 0.0005 Below DL 0.0750 Pass 91 Styrene Volatile Organic Primary mg/L 0.0005 Below DL 0.10 Pass 92 Tetrachloroethylene Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 93 Toluene Volatile Organic Primary mg/L 0.0005 Below DL 1.0 Pass 94 Trans-1,2 Dichloroethylene Volatile Organic Primary mg/L 0.0005 Below DL 0.10 Pass 95 Trichloroethylene Volatile Organic Primary mg/L 0.0005 Below DL 0.0050 Pass 96 Vinyl chloride Volatile Organic Primary mg/L 0.0005 Below DL 0.0020 Pass 97 Xylenes, Total Volatile Organic Primary mg/L 0.0005 Below DL 10.0 Pass Lake Springs Ranch Well E, 03 FEB 2010 Raw Water Quality Analysis Table WQ 2 Zancanella & Associates, Inc. Z:\97000's\97407 Lake Springs Sub., Dr. Berkeley\2010\WaterQualitySummary RawDrinkingLongAnalysis 12/7/2016