2018-20 Lower American River E. coli Draft Results
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Draft E. coli Monitoring Results*
More information about E. coli and Healthy Swimming Habits in the Lower American River
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Result > Statistical Threshold Value (320 MPN/100mL)**
Map of the E. coli monitoring results for the American River Parkway
No Results
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Station NameStation CodeLatitudeLongitude01/14/2001/07/2012/30/1912/23/1912/17/1912/10/1912/03/1911/26/201911/20/201911/12/201911/05/201910/29/201910/22/201910/15/201910/8/201910/1/199/24/20199/17/20199/10/20199/3/20198/27/20198/20/20198/13/20198/6/20197/30/197/23/197/16/20197/9/20197/2/20196/25/20196/18/20196/11/20196/4/20195/29/20195/21/20195/14/20195/8/20194/30/20194/23/20194/16/20194/9/20194/3/20193/28/20193/12/20193/5/20192/28/20192/20/20192/12/20192/5/20191/29/20191/23/20191/15/20191/8/20191/2/201912/27/201812/18/201812/11/201812/4/201811/27/201811/20/201811/13/201811/6/201810/30/201810/25/201810/16/201810/9/201810/2/20189/26/20189/18/20189/11/20189/4/20188/28/20188/21/20188/14/20188/9/20187/31/20187/24/20187/17/20187/10/20187/2/20186/26/20186/19/20186/12/20186/6/20185/31/20185/24/20185/17/20185/10/20185/3/20184/26/20184/19/2018
Sampling Suspended (3/22-4/12)
3/15/20183/8/20183/1/20182/22/2018
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American-Sacramento Confluence at Tiscornia Beach519AMNSAC38.598-121.50778.9107.6235.9461.1410.681.3260.3547.52419.62419.61413.62419.6579.4686.7686.7135.487.5290.92419.6209.92419.61299.72419.6172.52419.61119.91299.790.82419.698.5166.4186.0325.532.357.350.421.842.829.257.323.168.9866.412.038.467.635.059.42419.642.056.5105.0185.01732.9613.1547.5488.4273.3770.1167.02419.661.3248.92419.61011.2980.4816.41046.21986.32419.6816.42419.61986.32419.62419.6344.81413.62419.6275.5261.318.777.178.92419.6191.886.024.1113.0325.539.3-101.9155.31299.72419.6
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American River at Discovery Park519AMNDVY38.601-121.50630.940.8139.6290.9206.449.5124.6-113.721.618.9129.113.59.875.4114.5150.0365.4435.2920.81732.972.32419.6112.62419.6547.5727.085.71986.3816.481.6148.3275.514.647.426.513.518.99.735.990.845.7325.525.986.067.752.848.7435.238.342.681.6124.6648.8275.598.541.429.921.635.59.726.5579.436.823.1122.3201.4517.234.163.7248.198.861.3613.11413.6920.8193.5201.4111.219.164.433.1118.790.81413.683.3172.230.577.641.4235.9-133.416.1387.337.9
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American River at North 10th Street514SAC00938.601-121.48444.871.291.0209.849.525.983.932.323.838.917.590.86.313.420.340.855.6117.2114.318.554.639.91986.321.6172.521.628.272.865.728.127.552.8275.514.843.218.724.620.118.953.793.358.338.99.632.349.533.155.6980.488.232.7307.695.936.9816.471.743.567.0727.037.316.0133.415.822.644.3365.478.4101.4435.2240.0261.379.8178.964.4201.435.51046.2816.4387.278.5261.349.559.117.1275.539.5119.835.962.058.150.4-365.414.8218.798.7
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American River at Camp Pollock519SAC10638.599-121.47845.054.890.6344.848.824.634.570.839.332.716.151.27.417.521.838.3101.4214.329.260.2185.019.729.513.552.958.171.216.038.416.845.050.4178.513.257.612.121.317.1461.151.293.386.099.043.523.166.3157.6435.239.348.757.3365.434.1387.377.637.973.335.525.68.526.231.3105.0151.622.623.821.616.135.029.5344.122.827.2156.535.931.322.630.121.627.226.266.314.673.849.583.625.929.29.820.1-69.132.3235.928.8
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American River at Sutter’s Landing Park519SAC10438.588-121.46230.5122.3181.1148.369.1139.637.9242.7613.168.322.865.017.521.134.140.442.0-26.943.514.518.536.957.31553.117.393.320.3125.99.827.5104.390.520.142.01203.315.817.1193.538.491.035.972.713.553.844.169.778.9387.362.036.865.048.061.3209.858.839.3107.659.827.595.932.718.921.116.023.124.634.521.362.739.9206.4135.4118.72419.658.326.993.3238.21986.3613.134.5235.638.6980.437.9106.711.010.913.4178.9-49.5116.9275.525.9
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American River at Paradise Beach519SAC10538.578-121.42250.4140.826.263.840.231.883.9-27.523.124.315.635.521.820.165.037.3-18.716.111.07.514.618.710.910.914.895.932.78.515.838.4410.67.533.613.413.424.943.521.845.938.871.219.929.271.2104.651.2198.934.587.827.531.738.885.574.456.538.916.038.434.538.318.712.235.935.018.327.918.916.014.835.923.124.120.121.126.514.617.512.012.130.539.942.629.213.414.88.6-58.318.5325.512
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American River at Howe Avenue519LSAC5338.560-121.40533.266.331.839.942.031.353.8-58.348.036.918.525.934.542.044.857.3547.526.530.912.234.536.935.012.214.617.522.612.112.29.810.973.814.644.170.327.524.685.747.155.637.442.034.523.166.388.445.0148.321.6155.3166.459.446.499.052.957.848.131.341.028.830.523.328.829.5166.427.524.631.512.013.235.016.117.51119.927.526.514.430.121.339.516.174.322.8169.835.033.118.932.718.312-50.417.3547.511
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American River at River Bend Park519SAC10238.597-121.33123.152.027.520.132.739.937.935.443.588.416.145.720.333.235.953.859.1325.526.916.116.167.018.713.217.121.614.516.09.78.610.911.0121.112.228.29.813.412.211.012.018.518.726.221.648.0108.153.768.9272.323.371.750.4172.331.8101.752.937.436.830.147.329.240.431.320.129.260.574.417.116.821.620.116.921.339.916.16.333.218.124.126.915.822.628.531.510.916.913.412.2-52.1---
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American River at Lower Sunrise Area519LSAC5238.633-121.27127.2133.323.122.648.852.0139.633.135.542.023.355.624.625.331.325.949.527.218.911.017.37.58.620.193.37.517.123.523.114.586.036.479.439.921.16.313.25.215.315.623.328.823.114.547.168.951.270.6261.326.286.014.8160.735.9135.493.339.954.635.918.735.067.014.110.922.879.439.342.653.721.611.817.110.914.521.827.567.716.119.9114.5148.337.9101.217.327.550.436.999.031.3157.66.3-90.5---
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Steelhead Creek at Discovery Park Boat Ramp519SAC00038.601-121.50920.642.0770.12419.690.6235.9613.164.4307.659.121.845.5325.558.3435.2344.81119.9209.888.8261.3344.8101.990.6172.3114.564.4103.9204.6131.4260.3172.377.12419.6127.4866.4547.578.948.145.035.0113.0191.82419.658.3160.7686.71986.390.6193.52419.6248.1148.3344.8107.671.798.8131.479.8107.62419.6228.2121.1228.2648.8547.530.5214.283.3172.316.147.929.9127.421.633.1214.3122.366.3343.0193.590.5275.5172.5151.590.8-2419.665.71553.112.1
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Steelhead Creek at Discovery Park Entrance519SAC00138.607-121.50263.173.3547.52419.690.6179.3816.4235.2727.0193.578.9579.4435.2547.5461.11119.9488.449.5222.493.381.6142.1193.5191.8579.4178.2-172.3517.2248.3193.51553.12419.61732.9461.1145.52419.679.8114.5105.01732.9108.6298.72419.6206.4235.9198.9517.2461.12419.6183.5211.3410.62419.6387.3105.0129.1517.21046.227.5159.760.2159.798.7113.776.785.5209.81046.2206.4307.6344.8410.0261.3686.7488.4214.3218.778.5-2419.6110.51732.9112.6
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Number of Results > Statistical Threshold Value
0024102131123232232131304220310141220010002000007001313311221210242223321242222120015011010-3061
16
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6-Week Rolling Geometric Mean of Monitoring Results
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Result > Geometric Mean Criteria (100 MPN/100mL)**
Insufficient Data (geometric mean not calculated with <5 resuts within 6 weeks)
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Station NameStation CodeLatitudeLongitude01/14/2001/07/2012/30/1912/23/1912/17/1912/10/1912/3/201911/26/201911/20/201911/12/201911/05/201910/29/201910/22/201910/15/201910/8/201910/1/20199/24/20199/17/20199/10/20199/3/20198/27/20198/20/20198/13/20198/6/20197/16/20197/16/20197/16/20197/9/20197/2/20196/25/20196/18/20196/11/20196/4/20195/29/20195/21/20195/14/20195/8/20194/30/20194/23/20194/16/20194/9/20194/3/20193/28/20193/12/20193/5/20192/28/20192/20/20192/12/20192/5/20191/29/20191/23/20191/15/20191/8/20191/2/201912/27/201812/18/201812/11/201812/4/201811/27/201811/20/201811/13/201811/6/201810/30/201810/25/201810/16/201810/9/201810/2/20189/26/20189/18/20189/11/20189/4/20188/28/20188/21/20188/14/20188/9/20187/31/20187/24/20187/17/20187/10/20187/2/20186/26/20186/19/20186/12/20186/6/20185/31/20185/24/20185/17/20185/10/20185/3/20184/26/20184/19/20183/22/20183/15/20183/8/20183/1/20182/22/2018
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American-Sacramento Confluence at Tiscornia Beach519AMNSAC38.598-121.507177.1216.0283.3417.7550.6676.51191.01360.91413.21145.7708.5445.6313.1397.3326.1402.2586.41019.7934.6934.61235.51113.9714.9714.9651.1416.8309.0245.3206.5110.799.070.555.236.940.634.936.868.055.057.659.263.461.973.490.596.5103.8137.0162.0151.5259.0408.0554.8599.8625.3423.4532.3369.5330.3475.0497.1667.6557.1893.81263.51263.51219.31417.41643.81890.31953.51411.91547.11547.11113.1768.1341.6266.1164.5164.5154.9128.7134.2143.1181.291.278.6----383.1410.4619.4749.7667.7
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American River at Discovery Park519AMNDVY38.601-121.50689.8113.2138.9133.379.349.159.538.230.428.437.553.063.0112.4239.7404.2374.3595.0489.0650.9596.9516.4531.3514.1715.2406.5327.0278.2207.1111.162.846.533.018.921.924.526.845.548.069.076.770.170.874.379.370.672.884.0129.4119.9140.3139.6118.188.254.331.125.038.840.240.649.982.8135.884.792.8137.9133.0109.1112.3208.8325.9312.7352.1388.9218.1130.474.969.060.592.3118.0139.1137.2127.8112.183.283.2----67.668.054.663.953.8
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American River at North 10th Street514SAC00938.601-121.48465.472.663.650.938.432.339.825.922.321.821.926.627.745.047.456.055.7101.276.381.783.975.183.147.149.236.242.061.447.143.941.040.334.321.927.230.937.440.435.739.038.532.432.155.079.679.8108.2129.1120.6117.0113.0118.591.9128.9129.167.074.362.852.432.948.162.659.8104.0154.2207.3160.8184.6171.1150.5109.4137.9203.2231.1238.8249.4263.6163.385.781.072.363.460.160.674.356.060.0----89.175.959.394.083.1
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American River at Camp Pollock519SAC10638.599-121.47867.264.367.158.439.432.837.128.722.720.621.128.736.545.856.380.472.058.637.040.840.634.633.434.936.235.334.440.138.941.639.434.829.034.042.646.264.082.796.758.760.356.363.685.583.897.389.1118.491.789.9100.796.6100.768.365.134.428.727.829.537.636.943.842.437.931.624.037.937.639.157.157.357.936.838.537.027.726.329.827.732.136.944.544.438.736.229.226.2----64.457.345.444.631.7
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American River at Sutter’s Landing Park519SAC10438.588-121.46299.4103.1115.6141.6124.5103.591.180.153.332.930.233.429.231.936.831.026.525.929.558.149.867.969.084.663.032.243.443.243.135.980.173.054.061.368.377.743.355.853.643.344.342.448.463.982.477.482.577.674.467.166.567.373.275.966.458.352.946.835.728.627.822.222.422.827.431.945.961.074.9164.9162.9152.5133.6146.8234.8186.8171.1245.7212.1268.5138.8103.785.751.443.132.431.4----59.050.847.139.027.6
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American River at Paradise Beach519SAC10538.578-121.42249.854.244.745.236.933.328.924.323.922.727.028.932.828.827.124.015.612.913.812.611.812.418.921.719.020.224.943.428.428.530.729.927.819.122.924.128.738.036.634.241.747.850.159.465.178.366.854.752.345.451.648.050.845.345.338.934.829.023.927.326.924.222.123.028.426.121.320.418.821.421.721.121.422.424.721.220.318.016.617.618.922.624.625.025.921.018.4----31.629.923.523.213.4
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American River at Howe Avenue519LSAC5338.560-121.40539.342.639.044.045.644.540.034.634.632.732.434.861.261.560.449.147.043.727.624.321.422.821.217.614.814.213.617.216.019.926.631.636.237.145.146.942.245.348.038.540.844.145.556.151.971.383.177.878.273.184.872.058.552.651.541.938.332.930.229.937.737.536.138.032.828.722.220.319.134.739.944.838.642.944.325.423.227.529.739.743.141.843.037.536.123.221.4----35.728.121.322.411.8
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American River at River Bend Park519SAC10238.597-121.33130.933.531.433.943.538.639.535.635.234.131.439.054.156.750.244.045.637.622.120.521.521.116.614.913.912.911.516.415.718.719.119.820.113.513.512.614.015.617.222.031.737.947.169.570.475.366.380.570.860.168.961.858.643.846.838.036.435.331.931.833.138.738.340.350.842.527.818.418.818.418.921.721.617.619.119.319.718.518.422.822.224.321.319.719.217.315.7---------
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American River at Lower Sunrise Area519LSAC5238.633-121.27141.153.942.845.950.945.045.534.132.631.929.533.429.628.424.722.418.213.612.916.915.815.819.122.521.321.027.435.438.638.033.124.217.513.311.411.614.916.419.423.430.034.239.759.565.772.656.268.060.854.467.359.273.657.351.441.038.832.725.023.129.530.027.834.839.034.927.121.818.315.716.421.921.723.933.846.549.152.553.156.048.938.845.537.454.142.340.8---------
29
Steelhead Creek at Discovery Park Boat Ramp519SAC00038.601-121.509180.4317.6341.0292.6157.6124.394.585.083.688.6118.9229.2295.7238.2305.8294.2240.1157.9152.8159.4126.2103.4116.1123.5132.3141.6145.9246.6227.9312.1353.2310.1286.7147.6119.080.049.442.339.735.00.0113.0147.2374.3235.1217.9263.8425.4375.5246.4458.6493.0381.9285.2293.5248.7146.0131.3118.497.5163.8198.7205.6225.4319.6419.1202.2200.1188.0179.496.964.564.359.047.135.855.164.473.586.7125.0147.8154.2163.2187.4150.1142.7----210.3176.491.8113.687.5
30
Steelhead Creek at Discovery Park Entrance519SAC00138.607-121.502215.3329.8400.6420.0275.7269.4327.5294.9339.5314.7421.7571.4379.2339.1252.5189.2134.1114.9144.0169.0188.2222.4231.2281.4296.3238.0366.9502.4738.2724.2897.10.00.00.00.00.00.00.00.00.00.00.0145.5593.3304.0238.2202.2289.2275.5194.4343.2378.7433.3302.1391.8421.3421.3413.1405.6457.6591.8574.9340.8321.4373.1436.0206.8178.4162.6168.4127.888.3104.894.4116.2159.0179.8212.2272.7354.1367.3342.4395.2372.1344.9261.9262.0----408.7347.9219.2236.0156.4
31
Number of Results > Geometric Mean Criteria
355544222233344445444444444444211110000001222245556554433332334445555654545544335544422----33232
32
Map of Stations
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*Data provided here are considered DRAFT. Draft data are subject to change until they have been reviewed and received final approval. For more information on data review procedures, refer to:
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Surface Water Ambient Monitoring Program Quality Assurance Program Manual
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**Statistical Threshold Value and Geometric Mean Criteria are from the statewide Bacteria Water Quality Objectives. For more information:
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State Water Board's Proposed Statewide Bacteria Objectives
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US EPA Recreational Water Quality Criteria
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