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Surface Water Quality Bureau
Monitoring & Assessment

WQCC-APPROVED TMDL
for the Mora River
(USGS Gage East of Shoemaker to Highway 434)

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The Mora River near La Cueva gage, New Mexico, 2014

The Mora River watershed is located in northeastern New Mexico. The Surface Water Quality Bureau (SWQB) conducted an initial water quality survey of the Canadian watershed in 2002. Water quality monitoring stations were located within the watersheds to evaluate ambient water quality conditions and the impact of tributary streams. Additional data were collected in 2003 and 2006. SWQB prepared TMDLs in 2007 for various portions of this watershed including one for plant nutrients on the Mora River (USGS gage east of Shoemaker to Hwy 434). This TMDL update addresses that impairment as summarized in the Executive Summary's Table ES1 on page vii.  The SWQB has prepared separate TMDL bundles for other surface waters in the Canadian headwaters, selected tributaries and Cimarron River subwatersheds.

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PLANT NUTRIENTS in the Mora River (USGS Gage East of Shoemaker to Hwy 434).

Heidi.Henderson
TMDL Development

(505) 827-2901

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Updated TMDL 541 kb Download the 541 kb PDF file today...
WQCC Approval Order 106 kb Download the 106 kb PDF file today...
EPA approval letter    

MORE WORK AT SWQB IN
THE CANADIAN RIVER BASIN...
Bulleted item Updated Mora River TMDL
- 2011
Bulleted item Public Comment DRAFT TMDL for Raton Creek Watershed
Bulleted item Canadian River TMDL Pt. 2
- 2011
Bulleted item Canadian River TMDL Pt. 1
- 2007
Bulleted item Cimarron River TMDLs - 2010
Bulleted item Canadian River Tributaries Water Quality Survey - 2006
Bulleted item Fecal Coliform TMDL - 2004
Bulleted item Turbidity, Stream Bottom Deposits (SBDs) & Phosphorus TMDLs - 2004
Bulleted item Canadian River Tributaries Water Quality Survey - 2002
Bulleted item Aluminum TMDL - 2001
Bulleted item SBDs TMDL- 2001
Bulleted item Temperature TMDL - 2001
Bulleted item Turbidity TMDL - 2001
Bulleted item Temperature TMDL - 1999

A TMDL is a planning document that establishes specific goals to meet water quality standards in waterbodies where pollutant limits are exceeded. It includes current pollution loadings, reduction estimates for pollutants, information on probable sources of pollution, and suggestions to restore or protect the health of the waterbody.

A community meeting was held in the Village of Mora to summarize the information and to provide a forum for interested parties to ask questions and provide comments. The community meeting occurred on Tuesday, October 7th, 2014 from 6-8pm in the David Cargo Library of the Luna Community College, 335 Highway 518. The meeting date allows the public time to review the document and generate questions or comments.  SWQB staff contacted staff at the Mora Mutual Domestic Water and Sewerage Works Association and the Mora National Fish Hatchery and Technology Center prior to the public comment period and the associated public meeting.

The Public Comment DRAFT TMDL was made available for a 30-day comment period beginning on September 19, 2014 and ended on October 20th, 2014 at 4:00pm MDT.  Written public comments were incorporated into this a Final DRAFT version which was presented to the Water Quality Control Commission (WQCC) for approval at their June 9th, 2015 regular public meeting.  Their Approved version has now been forwarded on to the United States Environmental Protection Agency (US EPA) for their final review and approval.

The Monitoring and Assessment Section will collect water quality data during the next rotational cycle.  The next scheduled monitoring date for the Canadian River Watershed is 2015-2016 at which time TMDL targets will be re-examined and potentially revised as this document is considered to be an evolving management plan.  In the event that new data indicate that the targets used in this analysis are not appropriate and/or if new standards are adopted, the load capacity will be adjusted accordingly. When water quality standards have been achieved, the reach will be moved to the appropriate category in the State's CWA §303(d)/§305(b) Integrated Report.

The Watershed Protection Section will continue to work with watershed groups to develop Watershed-Based Plans to implement strategies that attempt to correct the water quality impairments detailed in this document.  Implementation of items detailed in the Watershed-Based Plans will be done with participation of all interested and affected parties.  For example, the Hermit’s Peak Watershed Alliance is currently receiving CWA §319(h) funds for a watershed based plan to address the nutrient and sedimentation impairments in the Mora River (USGS gage east of Shoemaker to Hwy 434). The tasks in the plan include stakeholder engagement, data review, and assessment of current field conditions as well as an interim report and a final watershed based plan.

For more information, please contact Heidi Henderson at the address or phone number provided above.

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