Results of RUCK Test Data Filed with DEP

(The testing of RUCK Systems is only required for those systems installed in Nitrogen Sensitive Areas.)

# of Systems Sampled:  

26

# of Samples Taken:  

98

Most Recent Test Results for Each Site

Notes:

  1. Test results marked with an asterisk (*) failed a test, but passed a retest.

  2. All RUCK Systems serve new construction.

  3. All RUCK Systems serve houses with low flow devices on all plumbing fixtures.

  4. TN = Total Nitrogen (TKN + NO3 + NO2)

  5. As of April 2000 DEP required Final Effluent testing only.

 

Most Recent Test Results for Each Site

Ref#

Town

Last Tested

Final Effluent

001 Boxford, MA 1/98 4.6 mg/l
002 North Reading, MA 4/01 16.2 mg/l
003 North Reading, MA 4/01 8.1 mg/l
004 North Reading, MA 4/01 11.0 mg/l
005 North Reading, MA 4/01 24.4 mg/l
006 North Reading, MA 4/01 21.1 mg/l
007 North Reading, MA 11/00 5.7 mg/l
008 North Reading, MA 11/99 30.1 mg/l
009 North Reading, MA 11/00 13.5 mg/l
010 North Reading, MA 4/01 41.3 mg/l
011 Mashpee, MA 10/97 16.8 mg/l
012 Mashpee, MA 12/97 18.7 mg/l
013 Barnstable, MA 2/00 19.1 mg/l
014 Barnstable, MA 11/00 16.4 mg/l
015 Barnstable, MA 11/00 9.62 mg/l
016 Barnstable, MA 2/00 18.9 mg/l
017 Barnstable, MA 2/00 7.5 mg/l
018 Barnstable, MA 4/01 11.2 mg/l
019 Barnstable, MA 4/01 12.0 mg/l
020 Barnstable, MA 4/01 32.5 mg/l
021 Barnstable, MA 4/01 35.3 mg/l
022 Barnstable, MA 4/01 14.0 mg/l
023 Barnstable, MA 4/01 1.2 mg/l
024 Barnstable, MA 4/01 17.0 mg/l
025 Barnstable, MA 4/01 20.0 mg/l
026 Boxford, MA 11/00 13.3 mg/l

Detailed Test Data

Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
001 Boxford, MA
February-97 148.0 10.5 79.3 8.4 89.4%
May-97 165.0 30.0 97.5 3.2 96.7%
July-97 134.0 9.6 71.8 6.7 90.7%
August-97 95.0 13.1 54.1 3.6 93.3%
October-97 159.0 2.7 80.9 1.8 97.8%
January-98 120.0 3.2 61.6 4.6 92.5%

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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
002 North Reading, MA
November-99 130.0 9.9 70.0 13.0 81.4%
March-00 110.0 20.0 65.0 22.0

66.2%

June-00 8.2
November-00 15.0
April-01 16.2

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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
003 North Reading, MA
*November-99 100.0 23.9 62.0 24.8 60.0%
March-00 120.0 30.9 75.5 29.3

61.2%

June-00 38.0
November-00 22.2
April-01 8.1
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
004 North Reading, MA
November-99 130.0 9.0 69.5 12.1 82.6%
March-00 120.0 16.8 68.4 21.0

69.3%

June-00 11.0
November-00 12.0
April-01 11.0
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
005 North Reading, MA
November-99 94.0 13.7 53.9 18.4 65.8%
March-00 150.0 3.3 76.7 12.7

83.4%

June-00 26.7
November-00 17.7
April-01 24.4
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
006 North Reading, MA
November-99 180.0 11.0 95.5 10.0 89.5%
March-00 130.0 11.0 70.5 21.0

70.2%

June-00 20.0
November-00 8.7
April-01 21.1
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
007 North Reading, MA
November-99 170.0 5.2 87.6 5.4 93.8%
March-00 100.0 9.3 54.7 9.9

81.9%

June-00 10.5
November-00 5.7
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
008 North Reading, MA
November-99 190.0 30.9 110.5 30.1 72.7%
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
009 North Reading, MA
November-99 120.0 17.9 69.0 18.1 73.7%
March-00 110.0 20.0 65.0 8.7

86.6%

June-00 16.94
November-00 13.5
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
010 North Reading, MA
November-99 140.0 15.0 77.5 14.1 81.8%
March-00 100.0 39.2 69.6 40.0

42.5%

June-00 35.0
November-00 52.0
April-01 41.3
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
011 Mashpee, MA
October-97 150.0 17.9 84.0 16.8 80.0%
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
012 Mashpee, MA
July-97 75.0 26.0 50.5 15.7 68.9%
December-97 73.0 26.0 49.5 18.7 62.2%
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
013 Barnstable, MA
April-99 52.0 6.9 29.5 7.8 73.5%
July-99 84.0 14.0 49.0 13.0 73.5%
October-99 87.0 14.4 50.7 13.0 74.4%
February-00 19.1 17.3 18.2 19.1

Not Meaningful

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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
014 Barnstable, MA
April-99 99.0 13.0 56.0 16.0 71.4%
July-99 140.0 14.2 77.1 18.6 75.9%
October-99 110.0 9.4 59.7 10.1 83.1%
February-00 120.0 31.0 75.5 24.4

67.7%

May-00 27.0
November-00 16.4
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
015 Barnstable, MA
April-99 76.0 13.0 44.5 11.1 75.2%
*July-99 120.0 43.0 81.5 49.0 39.9%
*October-99 120.0 24.0 72.0 26.0 63.9%
November-99 120.0 24.0 72.0 21.1

70.8%

February-00 29.7 21.0 25.4 20.0

21.1%

November-00 9.62
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
016 Barnstable, MA
April-99 120.0 10.0 65.0 10.5 83.8%
July-99 150.0 14.0 82.0 18.3 77.7%
October-99 140.0 10.0 75.0 11.0 85.3%
February-00 63.1 14.4 38.7 18.9

51.2%

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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
017 Barnstable, MA
April-99 120.0 6.1 63.0 6.8 89.1%
*July-99 150.0 17.0 83.5 20.3 75.7%
October-99 130.0 7.4 68.7 8.1 88.2%
February-00 100.0 8.2 54.1 7.5

86.1%

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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
018 Barnstable, MA
October-99 120.0 9.6 64.8 19.6 69.8%
November-99 120.0 9.6 64.8 33.0

49.1%

February-00 17.1 30.0 23.6 32.0

Not Meaningful

May-00 19.9
November-00 18.3
April-01 11.2
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
019 Barnstable, MA
*October-99 160.0 19.9 90.0 20.8 76.9%
November-99 160.0 19.9 90.0 18.2 79.7%
February-00 130.0 24.1 77.0 24.3 68.5%
May-00 33.7
November-00 14.6
April-01 12.0
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
020 Barnstable, MA
November-00 22.0
April-01 32.5
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
021 Barnstable, MA
November-00 23.35
April-01 35.3
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
022 Barnstable, MA
November-00 5.4
April-01 14.0
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
023 Barnstable, MA
November-00 0.7
April-01 1.2
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
024 Barnstable, MA
November-00 9.63
April-01 17.0
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
025 Barnstable, MA
May-00 40.2
November-00 46.0
April-01 20.0
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Test Date Black Water (mg/l) Gray Water (mg/l) Influent Total N (mg/l)

Final Effluent

(mg/l)

Removal Rate
026 Boxford, MA
November-00 13.3
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