The 303d list of Impaired Waterbodies in the Monterey Bay Region

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'Update for 2010, 2012

The 303 d list for impaired waterbodies in the Monterey Bay region comprises waterbodies in Monterey Bay which do not currently meet water quality goals and are therefore classified as "impaired" under the section 303d of the Clean Water Act. Beneficial uses are negatively impacted by pollutants which cause these impairments.

Summary table

The following table summarizes waterbodies in the Monterey Bay area 303d listings that are managed by the CCRWQCB for impairments due to various pollutants. There are XXXX impaired waterbodies listed in the region, with a total of XXXX pollutants which cause these impairments.

Monterey Bay Area 2008 TMDL Listings
Water Bodies Impairments
Pesticide

(a, b, c, d, e, f, g, h)

Nutrients

(a, b, c, d)

Pathogens / Bacteria

(a, b, c, d, e)

Toxicity

(a, b)

Other

(a, b, c, d, e, f, g, h, i)

Metals

(a, b, c)

Alisal Slough b 2008 Category 5A a, b

2008 Category 5A

g 2008 Category 5A
Aptos Creek c 1990 Category 5A i 1990 Category 5A
Blanco Drain c, d, 2008 Category 5A

h 1998 Category 5A

b 2008 Category 5A e, g 2008 Category 5A
Boulder Creek i 2002 Category 5B
Braciforte Creek c 2008 Category 5A a, b, e 2008 Category 5A i 2002 Category 5B
Carneros Creek a Category 5A b 2008 Category 5A a, e, g, h 2008 Category 5A
Chualar Creek c, d 2008 Category 5A a, b 2008 Category 5A a, b 2008 Category 5A b 2008 Category 5A d, e, h 2008 Category 5A
Espinosa Slough d 2008 Category 5A

h 1996 Category 5A

a, b 2008 Category 5A

d 1996 Category 5A

a, b 2008 Category 5A e, h 2008 Category 5A
Elkhorn Slough h 1990 Category 5A d 2008 Category 5A g, h 2008 Category 5A

i 1996 Category 5A

Gabilan Creek a 2008 Category 5A

b Category 5A

b 2002 Category 5A a, b 2008 Category 5A e, h 2008 Category 5A
Harkins Slough c 2008 Category 5B a, g 2008 Category 5A
Lompico Creek c 1994 Category 5B c 1994 Category 5A i 1990 Category 5B
Moro Cojo Slough h 2002 Category 5A a 2006 Category 5A a, d 2008 Category 5A g, i 2002 Category 5A

h 2008 Category 5A

Moss Landing Harbor c, d 2008 Category 5A

h 1990 Category 5A

c 1992 Category 5A b 2008 Category 5A g, h 2008 Category 5A

i 1996 Category 5A

c 2008 Category 5A
Natividad Creek a 2008 Category 5A

b Category 5A

a 2008 Category 5A a, b 2008 Category 5A d, e, g, h 2008 Category 5A
Old Salinas River c, d 2008 Category 5A b 2008 Category 5A a, b 2008 Category 5A a, b 2008 Category 5A a, e, g, h 2008 Category 5A
Old Salinas River Estuary h 1990 Category 5A c 1992 Category 5A
Pajaro River a, b, c, e, f, g

2008 Category 5A

b 2006 Category 5B

c 1996 Category 5B

a 2008 Category 5A

b 2002 Category 5A

c, e, g, h 2008 Category 5A

i 1996 Category 5B

a 2006 Category 5A
Quail Creek c, d 2008 Category 5A a 2008 Category 5A

b Category 5A

a, b 2008 Category 5A a, b 2008 Category 5A d, e, g 2008 Category 5A
Salinas Reclamation Canal c, d 2008 Category 5A

h 1992 Category 5A

a 2006 Category 5A

b 2008 Category 5A d 1996 Category 5A

a 2008 Category 5A

b 2002 Category 5A

a, b 2008 Category 5A e, h 2008 Category 5A

g 2002 Category 5A

b 2008 Category 5A
Salinas River(lower, estuary to near Gonzales Rd crossing) a, b, c, d, e, f, g

2008 Category 5A h 1994 Category 5A

b Category 5A a, b, e 2008 Category 5A b 2008 Category 5A b, c, e, f, h 2008 Category 5A
San Lorenzo River a, c, g 2008 Category 4A c 1996 Category 5B c 1998 Category 5A i 1998 Category 5B
Tembladero Slough c, d 2008 Category 5A

h 1996 Category 5A

b 2008 Category 5A

c 1996 Category 5A

a, d 2008 Category 5A

b 2002 Category 5A

a, b 2008 Category 5A a, e, h 2008 Category 5A
Watsonville Slough c, d 2008 Category 5A

h 1996 Category 5A

c 1996 Category 5B

d Category 5A

g 2008 Category 5A
Zayante Creek c 2008 Category 5A b 2008 Category 5A I 2002 Category 5B

Pesticide

  • a) Chlordane
  • b) Chloride
  • c) Chlorpyrifos
  • d) Diazinon
  • e) DDD (Dichlorodiphenyldichloroethane)
  • f) Dieldrin
  • g) PCBs (Polychlorinated biphenyls)
  • h) Pesticides

Nutrients (a, b, c, d)

  • a) Ammonia (Unionized)
  • b) Nitrate
  • c) Nutrients
  • d) Priority Organics

Pathogens/Bacteria (a, b, c)

  • a) Escherichia coli (E.coli)
  • b) Fecal Coliform
  • c) Pathogens
  • d) Total Coliform
  • e) Enterococcus

Toxicity / Sedimentation(a, b, c)

  • a) Sediment Toxicity
  • b) Unknown Toxicity

Other (a, b, c, d, e, f)

  • a) Chlorophyll-a
  • b) Electrical Conductivity
  • c) Sodium
  • d) Temperature
  • e) Turbidity
  • f) TDS (Total Dissolved Solids)
  • g) Low Dissolved Oxygen
  • h) pH
  • i) Sedimentation

Metals (a, b, c)

  • a) Boron
  • b) Copper
  • c) Nickel

The year represents the first year that the water body was listed for the given impairment from the TMDL site [1]. Category 5 describes a water body where the TMDL water quality standards are not met and a TMDL is required but not complete[2].

Links

Disclaimer

This page may contain student work completed as part of assigned coursework. It may not be accurate. It does not necessary reflect the opinion or policy of CSUMB, its staff, or students.