Flow−normalized concentration

1985 1990 1995 2000 2005 2010

40,000

30,000

20,000

10,000

0

Flow−normalized flux

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01646580 − Potomac River at Chain Bridge, MD (POTC) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

8,000

6,000

4,000

2,000

0

Flow−normalized flux

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01646580 − Potomac River at Chain Bridge, MD (POTC) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

8,000,000

6,000,000

4,000,000

2,000,000

0

Flow−normalized flux

60

40

20

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01646580 − Potomac River at Chain Bridge, MD (POTC) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

30,000

20,000

10,000

0

Flow−normalized flux

0.8

06

0.4

0.2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01540500 − Susquehanna River at Danville, PA (SRDA) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

8,000

6,000

4,000

2,000

0

Flow−normalized flux

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01540500 − Susquehanna River at Danville, PA (SRDA) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

10,000,000

8,000,000

6,000,000

4,000,000

2,000,000

0

Flow−normalized flux

50

40

30

20

10

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01540500 − Susquehanna River at Danville, PA (SRDA) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1990 1995 2000 2005 2010

150,000

100,000

50,000

0

Flow−normalized flux

1.5

1.0

0.5

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01576000 − Susquehanna River at Marietta, PA (SRMA) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1990 1995 2000 2005 2010

15,000

10,000

5,000

0

Flow−normalized flux

0.08

0.06

0.04

0.2

0

Concentration, in milligrams per liter Flux, in kilograms per day

01576000 − Susquehanna River at Marietta, PA (SRMA) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1990 1995 2000 2005 2010

15,000,000

10,000,000

5,000,000

0

Flow−normalized flux

50

40

30

20

10

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01576000 − Susquehanna River at Marietta, PA (SRMA) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

20,000

15,000

10,000

5,000

0

Flow−normalized flux

0.8

0.6

0.4

0.2

0

Concentration, in milligrams per liter

Flux, in kilograms per day 01553500 − West Branch Susquehanna River at Lewisburg, PA (WBSL) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

2,500

2,000

1,500

1,000

500

0

Flow−normalized flux

0.10

0.08

0.06

0.04

0.02

0

Concentration, in milligrams per liter Flux, in kilograms per day

01553500 − West Branch Susquehanna River at Lewisburg, PA (WBSL) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

2,500,000

2,000,000

1,500,000

1,000,000

500,000

0

Flow−normalized flux

25

20

15

10

5

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01553500 − West Branch Susquehanna River at Lewisburg, PA (WBSL) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

15,000

10,000

5,000

0

Flow−normalized flux

8

6

4

2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01576754 − Conestoga River at Conestoga, PA (CONE) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

1,500

1,000

500

0

Flow−normalized flux

0.6

0.5

0.4

0.3

0.2

0.1

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01576754 − Conestoga River at Conestoga, PA (CONE) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

2,000,000

1,500,000

1,000,000

500,000

0

Flow−normalized flux

150

100

50

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01576754 − Conestoga River at Conestoga, PA (CONE) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

150,000

100,000

50,000

0

Flow−normalized flux

1.5

1.0

0.5

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01578310 − Susquehanna River at Conowingo, MD (SRCW) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

14,000

12,000

10,000

8,000

6,000

4,000

2,000

0

Flow−normalized flux

0.06

0.05

0.04

0.03

0.02

0.01

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01578310 − Susquehanna River at Conowingo, MD (SRCW) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

12,000,000

10,000,000

8,000,000

6,000,000

4,000,000

2,000,000

0

Flow−normalized flux

20

15

10

5

0

Concentration, in milligrams per liter

Flux, in kilograms per day

01578310 − Susquehanna River at Conowingo, MD (SRCW) − Sediment

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

600

500

400

300

200

100

0

Flow−normalized flux

0.20

0.15

0.10

0.05

0

Concentration, in milligrams per liter Flux, in kilograms per day

02041650 − Appomattox River at Matoaca, VA (APPM) − Dissolved inorganic nitrogen

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

200

150

100

50

0

Flow−normalized flux

0.05

0.04

0.03

0.02

0.01

0

Concentration, in milligrams per liter Flux, in kilograms per day

02041650 − Appomattox River at Matoaca, VA (APPM) − Total phosphorus

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

60,000

50,000

40,000

30,000

20,000

10,000

0

Flow−normalized flux

12

10

8

6

4

2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION

02041650 − Appomattox River at Matoaca, VA (APPM) − Sediment
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

300

250

200

150

100

50

0

Flow−normalized flux

0.25

0.20

0.15

0.10

0.05

0

Concentration, in milligrams per liter Flux, in kilograms per day

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION

01674500 − Mattaponi River near Beulahville, VA (MABU) − Dissolved inorganic nitrogen
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

80

60

40

20

0

Flow−normalized flux

0.06

0.05

0.04

0.03

0.02

0.01

0

Concentration, in milligrams per liter Flux, in kilograms per day

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION

01674500 − Mattaponi River near Beulahville, VA (MABU) − Total phosphorus
Flow−normalized concentration

1985 1990 1995 2000 2005 2010

25,000

20,000

15,000

10,000

5,000

0

Flow−normalized flux

12

10

8

6

4

2

0

Concentration, in milligrams per liter

Flux, in kilograms per day

Water year

Range/median of “design guideline” subsamples

Range/median of “heterogeneous” subsamples

Range/median of “truncated” subsamples

EXPLANATION

01674500 − Mattaponi River near Beulahville, VA (MABU) − Sediment