City of San Angelo  Water Forum    August 30, 2012
EV SPENCE                                                 CITY OF SAN ANGELO                                              ...
Robert Lee              Garden             Sterling City               City         TWIN BUTTES WATERSHED                 ...
LAKE NASWORTHY WATERSHED                                           Ballinger          Grape          Creek                ...
Big Spring                                  O. C. FISHER WATERSHEDStanton          Garden           City                  ...
Sweetwater                          Colorado CityBig Spring             E V SPENCE RESERVOIR                              ...
O. H. IVIEWATERSHED                                                 Winters                              Robert LeeSterlin...
Thousands of Acre-Feet                              40                                                                    ...
Ivie Reservoir Capacity Projections                                  200,000                                              ...
Municipal Water Demands
Water Use Groups• Residential Use-    62%• Commercial Use-     18%• Industrial Use-     4%• System Operation-   16%
Gallons per Capita Day                     100                              150                                           ...
Water Consumption Goals250                             Actuals200                                                         ...
Efforts to Reduce Water Usage
Residential Conservation
Commercial Conservation
Decorative Groundcover
Municipal Conservation Efforts
Municipal Pool Renovation--Artificial Turf
Bluffs Nature Walk
Native Plants
MunicipalInfrastructure Improvements
Water Main ReplacementsMains Replaced- 386,095 ftConstruction Cost-$19,745,000                             Estimated Water...
Valve Replacements
AMR Meter Installation Program               • 18,000 AMR Installed               • 28,000 meters replaced
Hickory Water Supply Project
Hickory AquiferMinor Aquifers   in Texas
HICKORY AQUIFER
AQUIFER CROSS SECTION
HICKORY WELL FIELD LOCATION                       O. H. Ivie San Angelo                Eden   Melvin                      ...
9 EXISTING HICKORY WELLS    Typical Well Location9                     7               8            6          1          ...
Typical Hickory Well
Operating Well
HICKORY WELL FIELD PIPING            50,700 feet of 8 inch thru 20 inch piping9             7        8            6    1  ...
Well Field Collector Pipelines                        16 inch Collector PipelinePipeline InstallationBetween Wells
Well Preparation          Cleaning Well Casing
BOOSTER PUMP STATION            BOOSTER PUMP STATION9                  7              8         6        1    WELL FIELD  ...
Booster Pump Station
30” TRANSMISSION      MAIN
Concrete Steel Cylinder Pipe
30” Pipeline Installation
Kickapoo Creek Crossing
Transmission Pipeline Status                       STARTING                         POINT                                 ...
Groundwater Treatment - Radium Removal• Treatment Options:      -Ion Exchange (IX)      -Reverse Osmosis (RO)• Pilot Testi...
Treatment Method: Ion Exchange (IX)        Pretreatment      Ion Exchange (IX)                  Phosphate                 ...
Ion Exchange “Filter” for Radium Removal
RADIOACTIVITY IN THE ENVIRONMENT
Radioactivity in the Environment                               1.00E+06                               1.00E+05            ...
Radioactivity in the Environment                               1.00E+02                               1.00E+01Radium Conce...
EPA Standard for Drinking Water• EPA limit for Radium- 5 piC/l• Health Risk Assessment for Radium  -Based on long term exp...
Levels of Radium in Drinking Water• Hickory Well Field- Average 35 pCi/l• Millersview-Doole WSC- 68 pCi/l• City of Brady W...
HICKORY PROJECT SCHEDULE            Collector Piping Complete         May 2012         Transmission Main Complete         ...
ADDITIONAL WATER SUPPLYHickory Well Field Expansion
Well Field Banking and Allocation Chart Based on 6 mgd Usage 40,000 35,000 30,000                                         ...
Well Field Banking and Allocation Chart Based on 9 mgd Usage 40,000 35,000 30,000                                      Ban...
Additional Hickory Wells
Cost Estimate to Expand to 9 mgd Capacity • Well Field:                             $10,720,000    • 5 New Wells Drilled, ...
Water Supply Management
Twin Buttes Pumping Project
Twin Buttes South Pool Pumps
Flow Through Equalization Channel
Water Flowing Into North Pool
Water Supply Stage Drought Level III
Projected Water Supply                              20,000                                                    Drought     ...
Stage III Water Use Restrictions• No watering of lawns, shrubs, gardens, golf courses• City Council may designate days and...
Water Usage Surcharges• Residential accounts- $6.00/1,000 gallons for usage  over 10,000 gallons• Apartments- $5.00/1,000 ...
City of San Angelo  Water Forum    August 30, 2012
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  • Pipeline installation between wells
  • City of San Angelo Water Forum August 30, 2012

    1. 1. City of San Angelo Water Forum August 30, 2012
    2. 2. EV SPENCE CITY OF SAN ANGELO WATER SOURCES ROBERT LEE BALLINGER O.H. IVIE GRAPE CREEK OC FISHER PAINT ROCK SAN ANGELO LAKE NASWORTHY TWINBUTTES EDEN MELVIN CHRISTOVAL HICKORY BRADY AQUIFER
    3. 3. Robert Lee Garden Sterling City City TWIN BUTTES WATERSHED Grape Creek San Angelo TWIN BUTTES RESERVOIR MertzonRankin Big Lake Christoval Barnhart Eldorado
    4. 4. LAKE NASWORTHY WATERSHED Ballinger Grape Creek Paint Rock San Angelo LAKE NASWORTHYMertzon Eden Christoval
    5. 5. Big Spring O. C. FISHER WATERSHEDStanton Garden City Robert Lee Sterling City Grape Creek O. C. FISHER RESERVOIR San Angelo Mertzon
    6. 6. Sweetwater Colorado CityBig Spring E V SPENCE RESERVOIR Winters Robert Lee Sterling City BallingerE V SPENCE WATERSHED Grape Creek San Angelo
    7. 7. O. H. IVIEWATERSHED Winters Robert LeeSterling City Coleman Ballinger Grape Creek O. H. IVIE RESERVOIR Paint Rock San Angelo Mertzon Eden Brady
    8. 8. Thousands of Acre-Feet 40 120 20 140 0 100 60 160 200 180 80 1930 1932 1934 1936 193819401942104419461948 O. C. Fisher1950 Lake Nasworthy 1952 195419561958196019621964196619681970 1972197419761978198019821984198619881990 Historical Lake Levels19921994199619982000 Twin Buttes20022004200620082010 2012
    9. 9. Ivie Reservoir Capacity Projections 200,000 100% of Average Inflow 150,000Average Inflow (acre-feet/year) 100,000 50% of Average Inflow 50,000 Minimum Pumping Level No Inflow 0 Jun-12 Dec-12 Jun-13 Dec-13 Jun-14
    10. 10. Municipal Water Demands
    11. 11. Water Use Groups• Residential Use- 62%• Commercial Use- 18%• Industrial Use- 4%• System Operation- 16%
    12. 12. Gallons per Capita Day 100 150 200 250 50 0 183199519961997 230199819992001200220032004 1502005 17420062007 152200820092010 Average Water Use per Person per Day2011 177
    13. 13. Water Consumption Goals250 Actuals200 Goal150100 50 0 1995 2000 2005 2010 2015 2020 1995 2000 2005 2010 2015 2020 Goal n/a 185 174 163 152 140 Actual 183 199 154 155
    14. 14. Efforts to Reduce Water Usage
    15. 15. Residential Conservation
    16. 16. Commercial Conservation
    17. 17. Decorative Groundcover
    18. 18. Municipal Conservation Efforts
    19. 19. Municipal Pool Renovation--Artificial Turf
    20. 20. Bluffs Nature Walk
    21. 21. Native Plants
    22. 22. MunicipalInfrastructure Improvements
    23. 23. Water Main ReplacementsMains Replaced- 386,095 ftConstruction Cost-$19,745,000 Estimated Water Savings- 500 million gallons per year
    24. 24. Valve Replacements
    25. 25. AMR Meter Installation Program • 18,000 AMR Installed • 28,000 meters replaced
    26. 26. Hickory Water Supply Project
    27. 27. Hickory AquiferMinor Aquifers in Texas
    28. 28. HICKORY AQUIFER
    29. 29. AQUIFER CROSS SECTION
    30. 30. HICKORY WELL FIELD LOCATION O. H. Ivie San Angelo Eden Melvin Brady 37,000 Acres
    31. 31. 9 EXISTING HICKORY WELLS Typical Well Location9 7 8 6 1 4 3 5 2
    32. 32. Typical Hickory Well
    33. 33. Operating Well
    34. 34. HICKORY WELL FIELD PIPING 50,700 feet of 8 inch thru 20 inch piping9 7 8 6 1 4 3 5 2
    35. 35. Well Field Collector Pipelines 16 inch Collector PipelinePipeline InstallationBetween Wells
    36. 36. Well Preparation Cleaning Well Casing
    37. 37. BOOSTER PUMP STATION BOOSTER PUMP STATION9 7 8 6 1 WELL FIELD 4 3 5 2
    38. 38. Booster Pump Station
    39. 39. 30” TRANSMISSION MAIN
    40. 40. Concrete Steel Cylinder Pipe
    41. 41. 30” Pipeline Installation
    42. 42. Kickapoo Creek Crossing
    43. 43. Transmission Pipeline Status STARTING POINT PUMP STATION TOTAL: 62 MILES COMPLETED: 16.5 MILES WELL FIELD
    44. 44. Groundwater Treatment - Radium Removal• Treatment Options: -Ion Exchange (IX) -Reverse Osmosis (RO)• Pilot Testing Results: -Both methods effective in radium removal -Ion Exchange Process- 99% water recovery -Reverse Osmosis Process- 90% water recovery
    45. 45. Treatment Method: Ion Exchange (IX) Pretreatment Ion Exchange (IX) Phosphate Finished Water (99% Recovery)Well Granular Spent Disposal to Media Resin Licensed Facility Filter
    46. 46. Ion Exchange “Filter” for Radium Removal
    47. 47. RADIOACTIVITY IN THE ENVIRONMENT
    48. 48. Radioactivity in the Environment 1.00E+06 1.00E+05 1.00E+04Radium Concentration (pCi/g) 1.00E+03 1.00E+02 1.00E+01 1.00E+00 1.00E-01 1.00E-02 Lantern Glazed Gypsum Granite Soil Beans Teeth Bone Mantle Zircon Building Tiles
    49. 49. Radioactivity in the Environment 1.00E+02 1.00E+01Radium Concentration (pCi/L) 1.00E+00 1.00E-01 1.00E-02 Untreated EPA Drinking Medical (Spa) Mineral Wine Beer Milk Hickory Water Water Limit Water Water
    50. 50. EPA Standard for Drinking Water• EPA limit for Radium- 5 piC/l• Health Risk Assessment for Radium -Based on long term exposure• If 10,000 people consumed 2 liters of water every day for 70 years, there would be a possibility of one additional incident of cancer
    51. 51. Levels of Radium in Drinking Water• Hickory Well Field- Average 35 pCi/l• Millersview-Doole WSC- 68 pCi/l• City of Brady Wells- 19 pCi/l pCi/L-Picocuries per liter
    52. 52. HICKORY PROJECT SCHEDULE Collector Piping Complete May 2012 Transmission Main Complete July 2013Booster Pump Station and Wells Online July 2013 IX Plant On-Line July 2014 Jan-12 Jul-12 Feb-13 Aug-13 Mar-14 Sep-14
    53. 53. ADDITIONAL WATER SUPPLYHickory Well Field Expansion
    54. 54. Well Field Banking and Allocation Chart Based on 6 mgd Usage 40,000 35,000 30,000 Banked Water 25,000 6 mgd usage 20,000 15,000 10,000 Allocated Usage 5,000 0 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038
    55. 55. Well Field Banking and Allocation Chart Based on 9 mgd Usage 40,000 35,000 30,000 Banked Water 25,000 20,000 9 mgd usage 15,000 2014 - 2018 10,000 Allocated Usage 5,000 0 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038
    56. 56. Additional Hickory Wells
    57. 57. Cost Estimate to Expand to 9 mgd Capacity • Well Field: $10,720,000 • 5 New Wells Drilled, Equipped • Well Field Collector Pipes & Roads • Booster Pump Station: $ 260,000 • 1 Additional Pump and Electrical • Contingencies: $ 2,920,000 • Engineering and Construction Mgmt. $ 2,160 000 • Total $16,060,000
    58. 58. Water Supply Management
    59. 59. Twin Buttes Pumping Project
    60. 60. Twin Buttes South Pool Pumps
    61. 61. Flow Through Equalization Channel
    62. 62. Water Flowing Into North Pool
    63. 63. Water Supply Stage Drought Level III
    64. 64. Projected Water Supply 20,000 Drought 18,000 Level III 16,000Projected Supply, Acre-Feet 14,000 Ivie 12,000 Supply Depleted 10,000 8,000 6,000 4,000 2,000 0 Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept Oct Month
    65. 65. Stage III Water Use Restrictions• No watering of lawns, shrubs, gardens, golf courses• City Council may designate days and times for hand watering of trees and foundations• No filling or refilling of swimming pools or fountains• No washing of vehicles except as needed for public health, safety and welfare
    66. 66. Water Usage Surcharges• Residential accounts- $6.00/1,000 gallons for usage over 10,000 gallons• Apartments- $5.00/1,000 gallons for usage over 3,000 gallons/apartment unit• All other accounts- $2.50/1,000 gallons
    67. 67. City of San Angelo Water Forum August 30, 2012

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