Crum-Ridley-Chester Volunteer Water Monitors - Data for Crum Creek, Hildacy Farm (C500).

Note: this site is listed as "100 yards from SE corner of Hildacy Farm property..."

Principal Monitor: David Steckel (1990-1991).

Thanks Also to Other Monitors: Bob Kahley, Craig Marlton, Sarah Dougherty,


This page is maintained by Bruce W. Grant, Department of Biology, Widener University, Chester, PA, 19013, 610-499-4017, fax: 610-499-4496.

This page was last modified 21 July 1999, and has been accessed 7005 times since 20 July 1999.

Return to main page of the Crum-Ridley-Chester Volunteer Water Monitors


Table 1: Dates and weather conditions of the site checks.

Crum Creek, Hildacy Farm (C500), Delaware Co., PA.

Site Date TA Cloud Wind Rain Now Rain <24 Ice Comment
C500 12/1/90 17 PART BREE NONE . . .
C500 12/15/90 8 ALL CALM LIGH . . .
C500 12/29/90 4 ALL CALM NONE . . .
C500 1/12/91 7 ALL CALM NONE . . .
C500 2/9/91 10 CLEA BREE NONE . . .
C500 2/23/91 2 PART BREE NONE . . .
C500 3/9/91 7 CLEA BREE NONE . . .
C500 4/6/91 22 PART CALM NONE . . .
C500 4/20/91 12 ALL CALM LIGH . . .
C500 5/4/91 21 PART BREE NONE . . .
C500 5/21/94 .. .... .... . . . goto 5/21/94 biological data
C500 10/8/94 22 CLEA BREE NONE . . goto 10/8/94 biological data
C500 6/13/95 23 MOST CALM NONE . . goto 6/13/95 biological data
C500 10/14/95 20 ALL CALM MODR . . goto 10/14/95 biological data
C500 4/19/96 18 CLEA . NONE . . goto 4/19/96 biological data
C500 10/11/96 10 CLEA BREE NONE . . goto 10/11/96 biological data
C500 ./../.. .. .... .... . . . .


Table 2: Dates and water chemistry data.

Crum Creek, Hildacy Farm (C500), Delaware Co., PA.

Site Date  pH  Turb O2 TW Comment
C500 12/1/90 8 5 10 10 .
C500 12/15/90 7.5 5 11.4 7 .
C500 12/29/90 7 5 12.6 6 .
C500 1/12/91 7.5 5 12.7 5 .
C500 2/9/91 8 5 13.9 6 .
C500 2/23/91 8 5 14 5 .
C500 3/9/91 8 5 13.6 7 .
C500 4/6/91 9 0 13.8 17.5 .
C500 4/20/91 8 5 13.8 11 .
C500 5/4/91 8 5 10 18.5 .
C500 5/21/94 8.1 .. 9.8 17.8 Cond = 190 umhos, NH3 = 0.5, goto 5/21/94 biological data
C500 10/8/94 .. .. .. 19 goto 10/8/94 biological data
C500 6/13/95 7.6 . 9.9 17 Cond = 170 uS, NH3 = 0.5, goto 6/13/95 biological data
C500 10/14/95 .. .. .. 18 goto 10/14/95 biological data
C500 4/19/96 7.1 5 11 12 Cond = 160 uS, NH3 = 0.36, goto 4/19/96 biological data
C500 10/11/96 8.2 6 <11 14 Cond = 200 uS, NH3 = 0.3, goto 10/11/96 biological data
C500 ./../.. .. .. .. .. .


Table 3: Biological Data. (note: for more taxonomic details press here)

Hildacy Farm (C500), 5/21/94 {note: combined "samples" 1 and 2}

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly 2) Stonefly 3) Caddisfly 4) Water Penny
Riffle Beetle
5) Gilled Snail 6) Hellgrammite total "good"
0 0 500 8 0 0 508

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish 8) Sowbug 9) Scud 10) Alderfly 11) Fishfly 12) Damselfly 13) Watersnipe 14) Cranefly 15) misc. beetle 16) Dragonfly 17) Clam total "fair"
0 0 0 0 0 0 0 0 0 0 0 0

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids 19) midge fly 20) misc. Diptera 21) leech 22) misc. snails 23) flatworms 24) nematodes 25) other total "poor"
1 0 0 0 0 0 0 0 1

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
508 0 1 509 99.8 % 0 % 0.2 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...



Hildacy Farm (C500), 10/8/94 {note: combined "samples" 1 and 2}

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly 2) Stonefly 3) Caddisfly 4) Water Penny
Riffle Beetle
5) Gilled Snail 6) Hellgrammite total "good"
0 0 132 0 0 0 132

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish 8) Sowbug 9) Scud 10) Alderfly 11) Fishfly 12) Damselfly 13) Watersnipe 14) Cranefly 15) misc. beetle 16) Dragonfly 17) Clam total "fair"
0 0 2 0 1 0 0 0 0 0 0 3

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids 19) midge fly 20) misc. Diptera 21) leech 22) misc. snails 23) flatworms 24) nematodes 25) other total "poor"
4 0 30 0 0 19 0 0 53

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
132 3 53 188 70.2 % 1.6 % 28.2 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...



Hildacy Farm (C500), 6/13/95 {note: Phila. Suburban Water Co. survey}

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly 2) Stonefly 3) Caddisfly 4) Water Penny
Riffle Beetle
5) Gilled Snail 6) Hellgrammite total "good"
4 0 200 15 0 2 221

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish 8) Sowbug 9) Scud 10) Alderfly 11) Fishfly 12) Damselfly 13) Watersnipe 14) Cranefly 15) misc. beetle 16) Dragonfly 17) Clam total "fair"
0 0 1 0 0 0 0 0 0 0 0 1

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids 19) midge fly 20) misc. Diptera 21) leech 22) misc. snails 23) flatworms 24) nematodes 25) other total "poor"
3 2 4 0 1 2 0 0 12

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
221 1 12 234 94.4 % 0.4 % 5.1 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...



Hildacy Farm (C500), 10/14/95 {note: combined "samples" 1 and 2}

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly 2) Stonefly 3) Caddisfly 4) Water Penny
Riffle Beetle
5) Gilled Snail 6) Hellgrammite total "good"
0 0 612 1 0 1 614

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish 8) Sowbug 9) Scud 10) Alderfly 11) Fishfly 12) Damselfly 13) Watersnipe 14) Cranefly 15) misc. beetle 16) Dragonfly 17) Clam total "fair"
0 0 1 0 0 0 0 0 0 0 0 1

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids 19) midge fly 20) misc. Diptera 21) leech 22) misc. snails 23) flatworms 24) nematodes 25) other total "poor"
0 0 1 4 1 4 0 0 10

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
614 1 10 625 98.2 % 0.1 % 1.6 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...



Hildacy Farm (C500), 4/19/96

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly2) Stonefly 3) Caddisfly4) Water Penny
Riffle Beetle
5) Gilled Snail6) Hellgrammite total "good"
0 0 87 7 0 1 95

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish8) Sowbug 9) Scud10) Alderfly 11) Fishfly12) Damselfly 13) Watersnipe14) Cranefly 15) misc. beetle16) Dragonfly 17) Clamtotal "fair"
0 0 0 0 0 0 0 1 0 0 0 1

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids19) midge fly 20) misc. Diptera21) leech 22) misc. snails23) flatworms 24) nematodes25) other total "poor"
6 5 0 0 2 0 0 0 13

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
95 1 13 109 87.2 % 0.9 % 13.7 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...



Hildacy Farm (C500), 10/11/96

Group 1 Taxa: Organisms Indicating Good Water Quality:
1) Mayfly2) Stonefly 3) Caddisfly4) Water Penny
Riffle Beetle
5) Gilled Snail6) Hellgrammite total "good"
4 0 1160 92 0 8 1264

Group 2 Taxa: Organisms Indicating Fair Water Quality:
7) Crayfish8) Sowbug 9) Scud10) Alderfly 11) Fishfly12) Damselfly 13) Watersnipe14) Cranefly 15) misc. beetle16) Dragonfly 17) Clamtotal "fair"
0 0 0 0 0 0 0 1 0 0 0 1

Group 3 Taxa: Organisms Indicating Poor Water Quality:
18) annelids19) midge fly 20) misc. Diptera21) leech 22) misc. snails23) flatworms 24) nematodes25) other total "poor"
3 0 9 0 0 0 0 0 12

Summary of Invertebrate Biological Data:
total "good" total "fair" total "poor" Grand Total percent "good" percent "fair" percent "poor"
1264 1 12 1277 99.0 % 0 % 0.9 %

Observations of Aquatic Vertebrates (fish, amphibians, reptiles, etc.):
...




    Appendix of Taxonomic Information:

      Group 1 Taxa: Organisms Indicating Good Water Quality:

      1. Mayfly larvae (Phylum Arthropoda, Class Insecta, Order Ephemeroptera)
      2. Stonefly larvae (Phylum Arthropoda, Class Insecta, Order Plecoptera)
      3. Caddisfly larvae (Phylum Arthropoda, Class Insecta, Order Trichoptera)
      4. Water Penny/ Riffle Beetle (Phylum Arthropoda, Class Insecta, Order Coleoptera, Families Psephenidae/ Elmidae)
      5. Gilled Snail (Phylum Mollusca, Class Gastropoda)
      6. Dobsonfly larvae "Hellgrammite" (Phylum Arthropoda, Class Insecta, Order Neuroptera, Family Corydalidae)

      Group 2 Taxa: Organisms Indicating Fair Water Quality:

      1. Crayfish (Phylum Arthropoda, Order Decapoda)
      2. Sowbug (Phylum Arthropoda, Order Isopoda)
      3. Scud (Phylum Arthropoda, Order Amphipoda)
      4. Alderfly larvae (Phylum Arthropoda, Class Insecta, Order Neuroptera, Family Sialidae)
      5. Fishfly larvae (Phylum Arthropoda, Class Insecta, Order Neuroptera, Family Corydalidae)
      6. Damselfly larvae (Phylum Arthropoda, Class Insecta, Order Odonata, sub-Order Zygoptera)
      7. Watersnipe fly larvae (Phylum Arthropoda, Class Insecta, Order Diptera, Family Athericidae)
      8. Cranefly larvae (Phylum Arthropoda, Class Insecta, Order Diptera, Family Tipulidae)
      9. misc. beetle larvae (Phylum Arthropoda, Class Insecta, Order Coleoptera)
      10. Dragonfly larvae (Phylum Arthropoda, Class Insecta, Order Odonata, sub-o Anisoptera)
      11. Clam (Class Pelecypoda {Bivalva})

      Group 3 Taxa: Organisms Indicating Poor Water Quality:

      1. annelids (Phylum Annelida, Class Oligochaeta)
      2. midge fly larvae (Phylum Arthropoda, Order Diptera, Family Chironomidae)
      3. misc. Diptera (Phylum Arthropoda, Order Diptera)
      4. leech (Phylum Annelida, Class Hirudinoidea)
      5. misc. snails (Phylum Mollusca, Class Gastropoda)
      6. flatworms (Phylum Platyhelminthes)
      7. nematodes (Phylum Nematoda)



Explanation of Variables:

Missing data and empty data fields are held by periods "."

Beware of non-numeric relational data (e.g., >35) imbedded in the numerical data columns.


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Copyright - Bruce W. Grant, 1999.