5 ccr 1002-93 regulation #93



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DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT

WATER QUALITY CONTROL COMMISSION

5 CCR 1002-93

REGULATION #93

Colorado's Section 303(d) List of Impaired Waters and Monitoring and Evaluation List

93.1 Authority

These regulations are promulgated pursuant to section 25-8-101 et seq C.R.S. as amended, and in particular, 25-8-202 (1) (a), (b), (i), (2) and (6); 25-8-203 and 25-8-204.



93.2 Purpose

This regulation establishes Colorado’s List of Water-Quality-Limited Segments Requiring Total Maximum Daily Loads (“TMDLs”) and Colorado’s Monitoring and Evaluation List.

(1) The list of Water-Quality-Limited Segments Requiring TMDLs fulfills requirements of section 303(d) of the federal Clean Water Act which requires that states submit to the U.S. Environmental Protection Agency a list of those waters for which technology-based effluent limitations and other required controls are not stringent enough to implement water quality standards.

(2) Colorado’s Monitoring and Evaluation List identifies water bodies where there is reason to suspect water quality problems, but there is also uncertainty regarding one or more factors, such as the representative nature of the data. Water bodies that are impaired, but it is unclear whether the cause of impairment is attributable to pollutants as opposed to pollution, are also placed on the Monitoring and Evaluation List. This Monitoring and Evaluation list is a state-only document that is not subject to EPA approval.



93.3 Water Bodies Requiring TMDLs or Identified for Monitoring and Evaluation

Only those segments where a Clean Water Section 303(d) Impairment has been determined require TMDLs. For these segments, TMDLs are only required for those parameters that are identified as impairments. Listings marked with an asterisk (*) are carryover from the 1998 303(d) List. Consequently they are all high priority.


WBID

Segment Description

Portion

Colorado’s Monitoring & Evaluation Parameter(s)

Clean Water Act Section 303(d) Impairment

303(d) Priority

COAR

Arkansas River Basin

 

 



 

COARFO01a

Fountain Creek and tributaries above Monument Creek

all


E. coli

H

COARFO02a

Fountain Creek, Monument Creek to Hwy 47

all

Fe(Trec)
E. coli


H

COARFO02b

Fountain Creek from Hwy 47 to the Arkansas River

all


E.coli (May-October)

H

COARFO04

All tribs to Fountain Creek, which are not on National Forest or Air Force Academy Land

all

E.coli


H

COARFO04

All tribs to Fountain Creek, which are not on National Forest or Air Force Academy Land



Sand Creek

Aquatic Life


COARFO06


Monument Creek from National Forest to Fountain Creek

All (for E. coli)



E.coli (May-October)

H

COARFO07a



Pikeview Reservoir, Willow Springs Ponds #1 and #2

Willow Springs Ponds #1 & #2

Aquatic Life Use (PCE FCA)

M

COARLA01a



Arkansas River, Fountain Creek to Colorado Canal headgate

all


Se, SO4

L

COARLA01b



Arkansas River, Colorado Canal headgate to John Martin Reservoir

all

Se


L

COARLA01c

Arkansas River, John Martin Reservoir to stateline

all


Se, U

L

COARLA04



Apishapa River, Timpas Creek, Lorencito Canyon

Apishapa River, Timpas Creek

Se

L

COARLA04



Apishapa River, Timpas Creek, Lorencito Canyon

Timpas Creek

Fe(Trec)

H

COARLA05b



Trinidad Reservoir, Long Canyon Reservoir, and Lake Dorothey

Trinidad Reservoir

Aquatic Life Use (Hg Fish Tissue), D.O. (Temperature)



H

COARLA07


Purgatoire River, I-25 to Arkansas River

all


Sediment

Se

L



COARLA09a

Mainstem of Adobe Creek and Gageby Creek…

all

Se

L



COARLA09a

Mainstem of Adobe Creek and Gageby Creek…

Horse Creek

Fe(Trec)


H

COARLA09a

Mainstem of Adobe Creek and Gageby Creek…

Adobe Creek



E. coli

H

COARLA09b

Apache Creek, Breckenridge Creek, Little Horse Creek, Bob Creek, Wildhorse Creek, Wolf Creek, Big Sandy Creek

all


Se

L

COARLA09c

Rule Creek, Muddy Creek, Caddoa Creek, Clay Creek, Cat Creek…

As specified to right

Zn

(Rule Creek)



Fe(Trec), Se

(Chicosa Creek)

L

COARLA10

Two Buttes Res., Two Buttes Pond, Hasty Lake, Holbrook Res., Burchfield Lake, Nee-Skah (Queens) Res., Adobe Creek Res., Neeso Pah Res., Nee Nosha Res., Nee Gronda Res.

Adobe Creek Res., Nee Gronda Res

Se

L

COARLA11

John Martin Reservoir

all

Se

L

COARLA12

Lake Henry, Lake Meredith

all

Se

L

COARMA04a

Wildhorse Creek

all


NO2

E. coli, Se

H/L


COARMA06

St. Charles River and tributaries, CF&I diversion to Arkansas River

all

U

Se



L

COARMA07


Greenhorn Creek, including all tributiaries, from source to Greenhorn Highline Diversion Dam; Graneros Creek; North Muddy Creek

all


Cu, Zn

COARMA09


Greenhorn Creek, including tributaries, from Greenhorn Highline Diversion Dam to the St. Charles River

all


Se

COARMA10


Sixmile Creek

all


Fe(Trec), Se

L

COARMA12



Huerfano River, from Muddy Creek to the Arkansas River

all


Se

L

COARMA14

Cucharas River, from Walsenburg PWS diversion to the outlet of Cucharas Reservoir

all


Se

L

COARMA16



Huajatolla Reservoir, Diagre Reservoir, Walsenburg Lower Town Lake, Horseshoe Lake and Martin Lake (Ohem Lake)

Horseshoe Lake

Aquatic Life Use (Hg Fish Tissue)

H

COARMA18a



Boggs Creek

all


Se, Zn, U

H

COARUA05



All tributaries to the Arkansas River from the source to immediately below the confluence with Browns Creek

Lake Fork below Sugarloaf Dam to the confluence with the Arkansas River

Aquatic Life

COARUA08b

Iowa Gulch from ASARCO water supply intake to Paddock #1 Ditch (Iowa Ditch)

all

Cd, Pb, Zn



M

COARUA10

Mainstem of Lake Creek and all tributaries, lakes and reservoirs from source to Arkansas River (including Twin Lakes Reservoir)

all, excluding Twin Lakes Reservoir

pH, D.O.


H

COARUA10

Mainstem of Lake Creek and all tributaries, lakes and reservoirs from source to Arkansas River (including Twin Lakes Reservoir)

Twin Lake West

Cu

H



COARUA14b

Tributaries to the Arkansas River, from Pueblo Reservoir to Colorado Canal headgate

Teller Reservoir

Aquatic Life Use (Hg Fish Tissue)



COARUA15

Grape Creek including De Weese Res., Texas, Badger, Hayden, Hamilton, Stout and Big Cottonwood Creeks, Newland Creek

De Weese Reservoir

D.O.


H

COARUA20


Fourmile Creek and tributaries, Cripple Creek to Arkansas River

North Fork Wilson Creek below Independence Mine

As

COARUA21a



Mainstem of Cripple Creek from the source to a point 1.5 miles upstream of the confluence with Fourmile Creek.

all


Aquatic Life (provisional)

L

COARUA27



Mainstem of Eightmile Creek, including all tributaries, wetlands, lake and reservoirs, from the source to the mouth of Phantom Canyon; Brush Hollow Reservoir

Brush Hollow Reservoir

Aquatic Life Use (Hg Fish Tissue), D.O.

H

COGU



Gunnison River Basin

 

 



 

COGULG02


Gunnison River, Uncompahgre River to Colorado River

all


Sediment

E. coli

H

COGULG03



All tributaries to the Gunnison River which are on national forest lands from the outlet of Crystal Reservoir to the confluence with the Colorado River,

Eggleston Reservoir

pH, Zn,

Fe(Trec)


H

COGULG04a

Tributaries to Gunnison River, Crystal Reservoir to Colorado River

Callow Creek

SO4, E. coli

COGULG04a

Tributaries to Gunnison River, Crystal Reservoir to Colorado River

Cummings Gulch

SO4

COGULG04a

Tributaries to Gunnison River, Crystal Reservoir to Colorado River

Whitewater Creekfrom below Brandon Ditch to confluence with Gunnison River

SO4, Mn (WS)

L

COGULG04a



Tributaries to Gunnison River, Crystal Reservoir to Colorado River

Wells Gulch

pH

COGULG04a



Tributaries to Gunnison River, Crystal Reservoir to Colorado River

Peach Valley Creek

Fe(Trec), SO4

COGULG04b

All lakes and reservoirs tributary to the Gunnison River and not on national forest lands from the outlet of Crystal Reservoir to the Colorado River

Kannah Creek

SO4

COGULG04b

All lakes and reservoirs tributary to the Gunnison River and not on national forest lands from the outlet of Crystal Reservoir to the Colorado River

Jatz Bottomlands

Se

COGULG07


Surface, Ward, Tongue, Youngs, and Kiser Creeks not on USFS land

Tongue Creek

Se, Fe(Trec)

M

COGULG07



Surface, Ward, Tongue, Youngs, and Kiser Creeks not on USFS land

Ward Creek

Se

COGULG07


Surface, Ward, Tongue, Youngs, and Kiser Creeks not on USFS land

Surface Creek

Pb

COGULG09


Fruitgrowers Reservoir

all


D.O.

H

COGULG11a


Tributaries to the Smith Fork

Lunch Creek

sediment

COGULG12

All tributaries to the Smith Fork which are not on national forest lands

Muddy Creek



E. coli
COGULG13

Crawford Reservoir

all


D.O. (Temperature)

H

COGUNF04



All tributaries to the North Fork of the Gunnison River Muddy Creek to Coal Creek; all tributaries to the North Fork of the Gunnison including the Grand Mesa Lakes which are on national forest lands

East Muddy Creek

Pb, Se

Fe(Trec)


H

COGUNF04


All tributaries to the North Fork of the Gunnison River Muddy Creek to Coal Creek; all tributaries to the North Fork of the Gunnison including the Grand Mesa Lakes which are on national forest lands

Muddy Creek



E. coli (May-Oct)

COGUNF04


All tributaries to the North Fork of the Gunnison River Muddy Creek to Coal Creek; all tributaries to the North Fork of the Gunnison including the Grand Mesa Lakes which are on national forest lands

Island Reservoir

pH, Zn

COGUNF06a



Tributaries to N. Fork of Gunnison River not on USFS property

Unnamed tributary to North Fork Gunnsion River near Hotchkiss

Se

COGUNF06a

Tributaries to the North Fork of the Gunnison not on USFS lands

Coal Gulch, Hawksnest Creek, Gribble Gulch

Fe(Trec)

COGUNF06b

Bear Creek, Reynolds Creek, Bell Creek, McDonald Creek, Cottonwood Creek, Love Gulch, Cow Creek, Dever Creek, German Creek, Miller Creek, Stevens Gulch, Big Gulch, Stingley Gulch and Alum Gulch not on national forest lands from the source to the North Fork of the Gunnison River

Cottonwood Creek

Fe(Trec), Mn(WS), SO4

COGUNF06b

Bear Creek, Reynolds Creek, Bell Creek, McDonald Creek, Cottonwood Creek, Love Gulch, Cow Creek, Dever Creek, German Creek, Miller Creek, Stevens Gulch, Big Gulch, Stingley Gulch and Alum Gulch not on national forest lands from the source to the North Fork of the Gunnison River

Alum Gulch

Fe(Trec)

SO4

M

COGUNF07

Paonia Reservoir

all


Zn
COGUSM02

Tributaries to the San Miguel River from the source to Leopard Creek

Bear Creek

Pb

Cd, Zn(sc)



H
COGUSM02

Tributaries to the San Miguel River from the source to Leopard Creek

Cornet Creek

Pb

COGUSM02

Tributaries to the San Miguel River from the source to Leopard Creek

Howard Fork above Swamp Canyon

pH, D.O.

H

COGUSM03b



Mainstem of the San Miguel River Marshall Creek to South Fork San Miguel River.

all


Pb

COGUSM04a

Mainstem of the San Miguel River from the South Fork of the San Miguel to below the CC ditch.

From South Fork San Miguel to confluence with Leopard Creek

Pb

COGUSM06a



Ingram Creek, source to San Miguel River

all


Mn, Cu

COGUSM06b

Marshall Creek, source to San Miguel River

all


Cu

COGUSM07a

Mainstem of Howard Fork and tributaries Swamp Gulch the South Fork of the San Miguel.

Chapman Creek

Fe(Trec)

COGUSM07a

Mainstem of Howard Fork and tributaries Swamp Gulch the South Fork of the San Miguel.

Iron Bog Creek

pH, D.O.

COGUSM08


Mainstem of South Fork of San Miguel River from the Howard and Lake Forks to the San Miguel River.

all


Mn(WS)

COGUSM10


Mainstem of Naturita Creek from the Uncompahgre National Forest boundary to its confluence with the San Miguel River, and Gurley Reservoir; Tabeguache Creek from its source to the confluence with San Miguel River.

Naturita Creek

D.O., E. coli

COGUSM11


West Fork of Naturita Creek, Miramonte Reservoir, the mainstem of Beaver, Horsefly and Saltado Creeks from the Uncompahgre National Forest boundary to their confluence with the San Miguel River.

Miramonte Reservoir

D.O. (Temperature)

H

COGUSM12



All tributaries to the San Miguel River from the confluence of Leopard Creek to the Dolores

Mesa Creek

Se

COGUSM12


All tributaries to the San Miguel River from the confluence of Leopard Creek to the Dolores

Calamity Draw, Specie Creek

D.O.

COGUSM12


All tributaries to the San Miguel River from the confluence of Leopard Creek to the Dolores

Maverick Draw

Aquatic Life (provisional)

L

COGUUG04

Mainstem of the Taylor River from the source to the confluence with the Gunnison River

Taylor River

Pb

COGUUG06b

Cement Creek and all its tributaries and all lakes, reservoirs, and wetlands in the East River Drainage tributary to Segment 6a.

Cement Creek

Aquatic Life (provisional)

L

COGUUG07

Slate River from source to Coal Creek

Below Oh-Be-Joyful Creek

Zn(sculpin)

H

COGUUG08


Slate River, Coal Creek to East River

all


Aquatic Life

Cd, Zn


H

COGUUG09


All tributaries to the Slate River

Coal Creek

As

H

COGUUG10



Oh-Be-Joyful Creek and tributaries from wilderness to Slate River

all


Cd, Cu, Pb, Zn

H

COGUUG10



Oh-Be-Joyful Creek and tributaries from wilderness to Slate River

Redwell Creek

pH

COGUUG11


Coal Creek from Elk Creek to Crested Butte water supply intake, plus Elk Creek

Elk Creek

Cd, Pb, Zn, As

H

COGUUG11



Coal Creek from Elk Creek to Crested Butte water supply intake, plus Elk Creek

Coal Creek

Cd, Zn, As, Mn(WS)

H

COGUUG12



Coal Creek and tributaries from Crested Butte water supply intake to Slate River

Coal Creek

Cd, Zn, Cu

H

COGUUG15



Tributaries to the Gunnison River from the confluence of the East and Taylor Rivers to the inlet of Blue Mesa Reservoir

S. Beaver Creek

Mn (WS), Fe (Dis), Fe(Trec),

Aquatic Life (provisional)

L

COGUUG16

Ohio Creek and tributaries source to Gunnison River

Ohio Creek



E. coli

COGUUG17


Antelope Creek and tributaries source to Gunnison River

all


Mn (WS), E. coli

COGUUG23


Mainstem of Cochetopa Creek and tributaries, from the source to a point immediately below the confluence with West Pass Creek

Stewart Creek




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