Visit for 2024, Coal Creek (Lake Wash.) , Site "CoalLow

Sampling Agency:

City of Bellevue

Project:

Macroinvertebrates

Date Released:

3/6/2025

Taxonomic Effort:

Fine

Samples Taken:

Organisms Counted:

522

Sampling Date:

7/22/2024

Site Code:

CoalLow_21

Location:

47.566100°, -122.178700°
Coal Creek (Lake Wash.) Coal Creek (Cedar) Subbasin Cedar River / Lake Washington Basin WRIA 8 - Cedar-Sammamish

Score Type

Taxonomic Resolution

Taxa Mapping

Taxa Attributes

Samples

CoalLow_21_24 (522 counted)

Don't Subsample

Subsample¹

Subsample²

Max:

Sorting:

Metric Details

Taxonomic Composition

Visit Details

Metric

Sample
CoalLow_21_24
Quantities

Scores

Taxa Richness

0.0

Ephemeroptera Richness

0.0

Plecoptera Richness

1.4

Trichoptera Richness

1.2

EPT Richness

n/a

Clinger Richness

0.6

Long-Lived Richness

2.5

Intolerant Richness

0.0

Percent Dominant

92.0

0.0

Predator Percent

0.4

0.0

Tolerant Percent

24.4

4.3

Number of Organisms

500

n/a

Overall Score (B-IBI)

10.1

Very Poor

Sample 1 of 1

Sample Code:	CoalLow_21_24
Sample ID:	18963
QC Replicate?	No

Surface Area:	8.00 ft2
Composite?	8 Collections
Sub-sampling by Lab:	1/30

Classification	Taxon
Order: Lumbriculida	Lumbriculidae	1	1		Yes	No	No	No	No	No	No		No		8
Order: Trombidiformes	Atractides	1	1	adult	Yes	No	No	No	No	No	No		No		8
Order: Amphipoda	Crangonyx	6	6		Yes	No	No	No	Yes	No	No		No		4
Order: Coleoptera	Heterlimnius corpulentus	3	3	adult	Yes	No	No	Yes	No	No	Yes		No	5	4	3
Order: Coleoptera	Heterlimnius corpulentus	5	0	larva	Never	No	No	Yes	No	No	Yes		No	5	4	3
Order: Coleoptera	Narpus concolor	1	1	larva	Yes	No	No	Yes	No	No	Yes		No	5	4	1
Order: Coleoptera	Zaitzevia	1	1	adult	Yes	No	No	Yes	No	No	Yes		No		4
Order: Diptera	Chelifera	1	1	larva	Yes	No	Yes	No	No	No	Yes		No		6	4
Order: Diptera	Eukiefferiella	2	2	larva	Yes	No	No	No	No	No	No		No		8	9
Order: Diptera	Tvetenia Bavarica Group	3	3	larva	Yes	No	No	No	No	No	No		No		5	4
Order: Diptera	Simulium	122	116	larva	Yes	No	No	No	Yes	No	Yes	2	No		6	6
Order: Diptera	Simulium	3	0	pupa	Never	No	No	No	Yes	No	Yes	2	No		6	6
Order: Diptera	Dicranota	1	1	larva	Yes	No	Yes	No	No	No	No		No		3	2
Order: Plecoptera	Malenka	1	1	larva	Yes	No	No	No	No	No	No		No		2	1
Order: Plecoptera	Zapada cinctipes	3	3	larva	Yes	No	No	No	No	No	No		No		2	3
Order: Trichoptera	Glossosoma	7	7	larva	Yes	No	No	No	No	No	Yes		No	10	0	2
Order: Trichoptera	Hydropsyche	4	4	larva	Yes	No	No	No	No	No	Yes		No		4	5
Order: Ephemeroptera	Baetis tricaudatus complex	59	57	larva	Yes	No	No	No	No	No	Yes	3	No		5
Order: Neotaenioglossa	Potamopyrgus antipodarum	293	287		Yes	No	No	Yes	No	No	No	1	No		8
Phylum: Nemata	Nemata	1	1		Yes	No	No	No	No	No	No		No
Class: Trepaxonemata	Trepaxonemata	4	4		Yes	No	No	No	No	No	No		No
	Total:	522	500		19	0%	0.38%	58%	25%	0%	39%	460	0%

Site ID:	3097 Elevation:2343'
Site Code:	CoalLow_21
City, County, State:	Bellevue, King County, WA

Visit ID:	13477
Analyzed By:	Rhithron Associates, Inc.