Maine Department of Environmental Protection Logo

 Maine Department of Environmental Protection
 Biological Monitoring Program
 Stream Macroinvertebrate Report

Site Information
Name: Temple Stream - Station 1242 Sampled by: Biomonitoring Unit
Town: Farmington Method: Rock Bag
Biomonitoring Basin: Kennebec Log: 3064
Deployment Date: 2023-07-17 Taxonomist: Haley Ward - Bangor, Me
Retrieval Date: 2023-08-14 Subsample Factor: 1
Location: Above Station 1183 At Pullout
Sample comments: Water Very High, Unable To Do Width
Latitude: 44.66144411
Longitude: -70.16065883

Three figures from left to right: On the far left, an outline of the state of Maine with the site location marked in blue. In the middle, a satellite image view of the area of the site, with waterbodies marked in blue, and the site marked in red, with a scale bar and north arrow. On the left, a downstream image of the sample site.

Classification Attainment and Model Probabilities
Statutory Class = B Model Result = A Final Determination = A Attains Class = YES
Reason = Model
Stage One Model Class A Model Class B or Better Model Class C or Better Model
Prob. Class A = 0.70 Prob. Class A = 0.99 Prob. Class A,B = 1.00 Prob. Class A,B,C = 1.00
Prob. Class B = 0.29 Prob. Class B, C, NA = 0.01 Prob. Class C, NA= 0.00 Prob. NA= 0.00
Prob. Class C = 0.01
Prob. NA = 0.00

Model Variable Plots

 Blue = this sample. Boxplots = range of all samples. Grey shaded areas = 10th to 90th percentile of reference site values.

Boxplots of stream macroinvertebrate model metrics, including range of values from all samples, from reference sites, and this specific sample. Macroinvertebrate model metrics are in a table below, in the section entitled Model Variable Table

Model Variable Table
Variable Sample value All data median All data 10th percentile All data 90th percentile Reference 10th percentile Reference 90th percentile
Total Mean Abundance 235.33 320.67 61.80 1713.20 67.67 734.13
Generic Richness 35.00 37.00 21.00 58.00 24.00 58.00
Plecoptera Mean Abundance 3.33 4.00 0.00 26.67 2.00 37.00
Ephemeroptera Mean Abundance 91.33 44.00 0.67 230.67 11.37 159.27
Shannon-Weiner Generic Diversity 3.87 3.54 2.35 4.38 2.91 4.48
Hilsenhoff Biotic Index 3.73 4.45 3.20 5.99 2.75 4.87
Chironomidae Relative Abundance 0.14 0.23 0.05 0.60 0.05 0.48
Diptera Relative Generic Richness 0.34 0.36 0.23 0.50 0.23 0.45
Hydropsyche Mean Abundance 43.00 11.33 0.00 369.20 0.00 213.26
Cheumatopsyche Mean Abundance 4.33 2.33 0.00 117.87 0.00 21.51
EPT Generic Richness/Diptera Generic Richness 1.42 1.17 0.42 2.25 0.87 2.62
Oligochaeta Relative Abundance 0.00 0.00 0.00 0.04 0.00 0.01
Perlidae Mean Abundance 3.33 0.67 0.00 15.33 0.00 14.93
Tanypodinae Mean Abundance 12.33 3.67 0.00 29.78 0.00 12.49
Chironomini Mean Abundance 12.00 9.76 0.33 102.38 0.00 42.51
Ephemeroptera Relative Abundance 0.39 0.14 0.00 0.45 0.08 0.48
EPT Generic Richness 17.00 15.00 5.00 24.00 12.00 28.00
Summed Mean Abundance of Dicrotendipes, Micropsectra, Parachironomus, Helobdella 0.00 0.33 0.00 17.33 0.00 8.87
Plecoptera Relative Richness 0.11 0.04 0.00 0.12 0.03 0.17
Summed Mean Abundance of Cheumatopsyche, Cricotopus, Tanytarsus, Ablabesmyia 9.67 16.67 0.50 187.73 0.33 55.20
Summed Mean Abundance of Acroneuria, Stenonema, Maccaffertium + 1 7.00 9.31 0.00 70.67 0.00 43.73
EP Generic Richness/14 0.86 0.57 0.07 1.00 0.50 1.21
Presence of Class A Indicator Taxa 0.43 0.14 0.00 0.43 0.00 0.71
Most Abundant Taxa
Taxon Name Percent Abundance
Hydropsyche 18.27 %
Simulium 14.59 %
Baetis 11.76 %
Ephemerella 11.19 %
Tricorythodes 7.79 %

Water Chemistry Plots

 Blue = this sample at deployment. Red = this sample at retrieval. Boxplots = range of all samples. Grey shaded areas = 10th to 90th percentile of reference sites.

Boxplots of stream chemical characteristics, including range of values from all samples, from reference sites, and this specific sample. Stream chemical values are in a table available below in the 'Water Chemistry Tables' section.

Water Chemistry Tables
Field Meters
Parameter Deployment value Retrieval value All data median All data 10th percentile All data 90th percentile Reference 10th percentile Reference 90th percentile Units
Dissolved Oxygen 9.5 10.38 8.61 7.09 10.24 7.80 10.62 Milligrams Per Liter
pH 7.7 7.72 7.11 6.20 7.97 6.00 7.55 Standard Ph Unit
Specific Conductance 37.5 51.90 87.00 25.00 473.70 15.41 67.31 Microsiemens Per Centimeter
Temperature 19.8 18.20 20.10 15.00 24.80 12.80 23.60 Degrees Celcius (Temperature)
Grab Samples
Parameter Sample concentration Sample date All data median All data 10th percentile All data 90th percentile Reference 10th percentile Reference 90th percentile Units
Chloride 2 2023-07-17 11.50 2.00 120.00 1.00 4.00 Milligrams Per Liter
Nitrate + Nitrite As Nitrogen 0.03 2023-07-17 0.07 0.01 0.59 0.01 0.09 Milligrams Per Liter
Orthophosphate As Phosphorus 1 2023-07-17 2.00 1.00 11.00 1.00 3.00 Micrograms Per Liter
Total Alkalinity 11.5 2023-07-17 19.50 4.44 113.20 2.00 21.00 Milligrams Per Liter
Total Kjeldahl Nitrogen 0.3 2023-07-17 0.40 0.20 0.60 0.10 0.50 Milligrams Per Liter
Total Phosphorus 22 2023-07-17 18.00 6.00 47.00 4.00 18.00 Micrograms Per Liter
Stream characteristics
Parameter Deployment value Retrieval value Units
Wetted Width 21 Meters
Depth 65 45 Centimeters
Velocity 118 19 Centimeters Per Second
Riffle 50 Percent
Run 50 Percent
Land Use
Land Use Data Source: MELCD 2004
Watershed Area (sq km): 85.8
Impervious Cover %: 2
Land Use Table
Cover Type Percent Category
Highly Urban 0.38 Developed
Urban 0.08 Developed
Residential 0.11 Developed
Water 0.80 Natural
Wetland 1.42 Natural
Forest 93.91 Natural
Grass 2.61 Agriculture
Tilled 0.69 Agriculture
Barplots of high resolution landcover data from watershed upstream of sample location. Percentages are available in a table on the right

Site Information
Name: Temple Stream - Station 1242 Sampled by: Biomonitoring Unit
Town: Farmington Method: Rock Bag
Biomonitoring Basin: Kennebec Log: 3064
Deployment Date: 2023-07-17 Taxonomist: Haley Ward - Bangor, Me
Retrieval Date: 2023-08-14 Subsample Factor: 1
Location: Above Station 1183 At Pullout
Sample comments: Water Very High, Unable To Do Width
Latitude: 44.66144411
Longitude: -70.16065883
Taxa List
Name Taxonomic Group Count - Actual Count - Adjusted Tolerance (HBI) Relative % Abundance - Actual Relative % Abundance - Adjusted Functional Feeding Group Taxa Code
Acroneuria Stonefly 0.67 0.67 0.3 0.3 Predator LW-09020209042
Perlesta Stonefly 0.33 5 0.1 Predator LW-09020209046
Perlesta decipiens Stonefly 0.33 0.1 LW-09020209046141
Paragnetina Stonefly 0.67 1 0.3 Predator LW-09020209049
Paragnetina media Stonefly 0.67 0.3 LW-09020209049151
Agnetina Stonefly 1.67 2 0.7 Predator LW-09020209050
Agnetina capitata Stonefly 1.67 2 0.7 Predator LW-09020209050152
Boyeria Dragonfly/Damselfly 0.33 2 0.1 Predator LW-09020301004
Boyeria vinosa Dragonfly/Damselfly 0.33 0.1 LW-09020301004012
Baetis Mayfly 27.67 4 11.8 Collector-Gatherer LW-09020401001
Baetis brunneicolor Mayfly 2.33 1.0 LW-09020401001003
Baetis flavistriga Mayfly 10.67 4.5 LW-09020401001004
Baetis intercalaris Mayfly 14.67 6.2 LW-09020401001008
Acerpenna Mayfly 7.67 5 3.3 Collector-Gatherer LW-09020401007
Acerpenna macdunnoughi Mayfly 7.67 3.3 LW-09020401007001
Leucrocuta Mayfly 1.67 1.67 1 0.7 0.7 Scraper LW-09020402011
Maccaffertium Mayfly 6.33 4 2.7 Scraper LW-09020402015
Maccaffertium modestum Mayfly 6.33 2.7 LW-09020402015051
Isonychia Mayfly 0.67 0.67 2 0.3 0.3 Collector-Filterer LW-09020404018
Paraleptophlebia Mayfly 2.67 2.67 1 1.1 1.1 Collector-Gatherer LW-09020406026
Ephemerella Mayfly 26.33 26.33 1 11.2 11.2 Collector-Gatherer LW-09020410035
Tricorythodes Mayfly 18.33 18.33 4 7.8 7.8 Collector-Gatherer LW-09020411038
Dolophilodes Caddisfly 1.67 1.67 0.7 0.7 Collector-Filterer LW-09020601001
Cheumatopsyche Caddisfly 4.33 4.33 5 1.8 1.8 Collector-Filterer LW-09020604015
Hydropsyche Caddisfly 43.00 4 18.3 Collector-Filterer LW-09020604016
Hydropsyche morosa Caddisfly 10.33 4.4 LW-09020604016030
Hydropsyche sparna Caddisfly 32.67 13.9 LW-09020604016032
Hydroptila Caddisfly 0.33 0.33 6 0.1 0.1 Piercer LW-09020607026
Brachycentrus Caddisfly 0.67 0.3 Collector-Filterer LW-09020609043
Brachycentrus appalachia Caddisfly 0.67 0.3 LW-09020609043096
Corydalus Dobsonfly 0.67 0.67 6 0.3 0.3 Predator LW-09020701002
Ablabesmyia Fly: Midge 2.00 8 0.8 Predator LW-09021011001
Ablabesmyia mallochi Fly: Midge 2.00 0.8 LW-09021011001004
Thienemannimyia Fly: Midge 10.00 3 4.2 Predator LW-09021011020
Thienemannimyia group Fly: Midge 10.00 4.2 LW-09021011020041
Zavrelimyia Fly: Midge 0.33 0.33 8 0.1 0.1 Predator LW-09021011022
Prodiamesa Fly: Midge 0.33 0.33 3 0.1 0.1 Collector-Gatherer LW-09021011031
Cricotopus Fly: Midge 3.33 7 1.4 Shredder LW-09021011037
Cricotopus bicinctus Fly: Midge 3.33 1.4 LW-09021011037057
Eukiefferiella Fly: Midge 1.67 8 0.7 Collector-Gatherer LW-09021011041
Eukiefferiella brehmi group Fly: Midge 1.67 0.7 LW-09021011041073
Nanocladius Fly: Midge 3.00 3.00 3 1.3 1.3 Collector-Gatherer LW-09021011049
Orthocladius Fly: Midge 1.00 6 0.4 Collector-Gatherer LW-09021011050
Orthocladius annectens Fly: Midge 1.00 0.4 LW-09021011050092
Cryptochironomus Fly: Midge 0.33 0.33 8 0.1 0.1 Predator LW-09021011082
Polypedilum Fly: Midge 11.67 6 5.0 Shredder LW-09021011102
Polypedilum illinoense group Fly: Midge 11.67 5.0 LW-09021011102185
Simulium Fly: Black 34.33 34.33 4 14.6 14.6 Collector-Filterer LW-09021012047
Atherix Fly: Watersnipe 3.00 3.00 2 1.3 1.3 Predator LW-09021015055
Psephenus Beetle 0.33 4 0.1 Scraper LW-09021108058
Psephenus herricki Beetle 0.33 0.1 LW-09021108058028
Dubiraphia Beetle 0.33 0.33 6 0.1 0.1 LW-09021113064
Optioservus Beetle 9.33 3 4.0 Scraper LW-09021113067
Optioservus tardella Beetle 9.33 4.0 LW-09021113067052
Stenelmis Beetle 8.67 8.67 5 3.7 3.7 Scraper LW-09021113070