MBSS Site Summary for: WILL-115-R-2004
Located on JENNINGS RUN in the Wills Creek watershed,
8-digit code: 02141003.
This stream was visited in the spring on 3/25/2004 and again in the summer on 7/21/2004.
Index of Biotic Integrity (IBI) Results:
An Index of Biotic Integrity (IBI) is a scientific tool used to identify and classify stream health. An IBI associates anthropogenic influences on a stream or with biological condition in the stream, and is formulated using data developed from biosurveys.
Details on the development and application of MBSS IBIs are in this document.
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Fish IBI
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Poor - 1.0 / 5.0
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Benthic IBI
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Good - 4.0 / 5.0
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Land Use
Land use can provide important information for determining stream health.
(Hint: Screen readers will announce definitions; mouse users can hover over dotted text.)
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Catchment area
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336 acres
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An example of a forested stream.
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Urban Land Use
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2 %
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Agricultural Land Use
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9 %
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Forested Land Use
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88 %
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Stream Water Quality:
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| Water temperature |
16.9 ° C
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| Dissolved oxygen (DO) |
8.5 mg/L
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| pH (lab) |
7.41 |
| Conductivity |
186 µmho/cm
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Alkalinity
(acid neutralizing capacity)
|
229.8 µeq/L |
| Dissolved organic carbon (DOC) |
0.8 mg/L |
Biological Stream Condition:
Surveys of the organisms living within a stream can give indications of stream health. Species richness, or the number of different species present, as well as indicator species (species whose presence, absence or abundance can serve as a measure of environmental conditions) are informative for stream health.
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The following 1 fish species were collected.
Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Common name |
Count |
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No Fish Observed
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0 |
Electrofishing to sample fish communities.
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Sensitive taxa: Green, Tolerant: Red, Intermediate: Gold.
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| Genus/Family |
Common Name |
Count |
| Epeorus |
Mayfly
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24 |
| Ephemerella |
Sulphur Mayfly
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14 |
| Diplectrona |
Net-Spinning Caddisfly
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13 |
| Leuctridae |
Rolledwinged Stonefly
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9 |
| Lumbriculidae |
Worm
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7 |
| Parametriocnemus |
Non-Biting Midges
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7 |
| Neophylax |
Caddisfly
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7 |
| Yugus |
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6 |
| Rhyacophila |
Free-Living Caddisfly
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5 |
| Parachaetocladius |
Non-Biting Midge
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4 |
| Tvetenia |
Non-Biting Midges
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3 |
| Ameletus |
Combmouthed Minnow Mayfly
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3 |
| Perlodidae |
Perlodid Stonefly
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2 |
| Diamesinae |
Non-Biting Midges
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2 |
| Amphinemura |
Spring Stonefly
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2 |
| Sweltsa |
Stonefly
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2 |
| Caecidotea |
Isopod
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2 |
| Peltoperla |
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1 |
| Leptophlebiidae |
Pronggilled Mayfly
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1 |
| Oulimnius |
Riffle Beetle
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1 |
| Hexatoma |
Crane Fly
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1 |
| Wormaldia |
Fingernet Caddisfly
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1 |
| Stenonema |
Flatheaded Mayfly
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1 |
| Pteronarcys |
Giant Stonefly
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1 |
| Dicranota |
Hairy-Eyed Cranefly
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1 |
| Diamesa |
Bloodworm
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1 |
Sampling with a kick net.
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Information disclaimer: The information and data on this page is for guidance and general planning purposes only. It should not be used to make decisions on specific matters.
