Jump to main content.


Return to home page

On This Page 303(d) Listed Waters for 2014

Data are also available for these cycles:
2002 2004 2006 2008 2010 2012

Waterbody Changes from Prior Cycle

For More Information:

State Water Quality Program Exit EPA Disclaimer

Download Excel compatible information

Download GIS Information

Puerto Rico Water Quality Assessment Report

Assessed Waters of Puerto Rico by Watershed

Select a watershed from the list:
or click on the map to choose a watershed:
Search for a waterbody within Puerto Rico
Enter Waterbody Name:
Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Puerto Rico (2014)

Description of this table
 
    300.0 89.7
       260.9 18.9
   
                          
                          
                          
                          
    6,054.0 9,805.0 8.7 300.6
           76.1          .1     
                          
           1,133.9          3.5     
           4,844.0     9,805.0     5.1     300.6
              .0     .0     .0     .0
                    4,844.0           9,805.0           5.1           300.6
6,054.0 10,105.0 8.7 390.3
6,063.5 12,146.0 Unavailable 550.0
99.8 83.2 Unavailable 71.0

Top of page


Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2014


Site-specific Targeted Monitoring Results

Puerto Rico Rivers and Streams 2014

Description of this table

All
Rivers and Streams

6,063.5 Miles of Rivers and Streams

Assessed 6,054.0
Unassessed 9.5
Total Miles 6,063.5







arrow pointing right
Description of this table

Assessed
Rivers and Streams

6,054.0 Miles of
Assessed Rivers and Streams

Good .0
Threatened .0
Impaired 6,054.0
Total Miles Assessed 6,054.0







arrow pointing right
Description of this table

Threatened and Impaired
Rivers and Streams

6,054.0 Miles of
Threatened and Impaired
Rivers and Streams

76.1
.0
1,133.9
4,844.0
Total Threatened and Impaired 6,054.0

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
Puerto Rico Rivers and Streams 2014

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life 5,368.4 5.9 .0 94.1 color.gifcolor.gif
Drinking Water Supply 4,376.1 20.3 .0 79.7 color.gifcolor.gif
Primary Contact Recreation 6,045.1 .0 .0 100.0 color.gif
Secondary Contact (Recr) 6,045.1 .0 .0 100.0 color.gif

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
Puerto Rico Rivers and Streams 2014

Description of this table
Fecal Coliform Pathogens color.gif 4,765.1
Cyanide Toxic Inorganics color.gif 3,152.4
Turbidity Turbidity color.gif 2,718.4
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 2,488.7
Copper Metals (other than Mercury) color.gif 1,326.1
Total Coliform Pathogens color.gif 1,262.1
Surfactants Other Cause color.gif 1,063.4
Arsenic Metals (other than Mercury) color.gif 1,000.3
Lead Metals (other than Mercury) color.gif 957.7
Pesticides Pesticides color.gif 544.3
pH pH/Acidity/Caustic Conditions color.gif 510.7
Thermal Modifications Temperature color.gif 443.5
Flow Alteration(s) Flow Alteration(s) color.gif 342.9
Mercury Mercury color.gif 275.2
Phosphorus Nutrients color.gif 210.4
Ammonia Ammonia color.gif 130.5
Oil and Grease Oil and Grease color.gif 122.6
Cadmium Metals (other than Mercury) color.gif 120.2
Nitrate/Nitrite Nutrients color.gif 70.9
Enterococcus Bacteria Pathogens color.gif 66.7
Selenium Metals (other than Mercury) color.gif 40.8
Other Inorganics Toxic Inorganics color.gif 22.0
Silver Metals (other than Mercury) color.gif 14.6

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
Puerto Rico Rivers and Streams 2014

Description of this table
Onsite Wastewater Systems (Septic Tanks) Municipal Discharges/Sewage color.gif 5,893.6
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 3,932.5
Confined Animal Feeding Operations Agriculture color.gif 3,548.0
Minor Industrial Point Sources Industrial color.gif 2,694.2
Collection System Failure Municipal Discharges/Sewage color.gif 2,466.0
Agriculture Agriculture color.gif 2,114.4
Landfills Land Application/Waste Sites/Tanks color.gif 2,075.7
Major Municipal Point Sources Municipal Discharges/Sewage color.gif 1,094.8
Minor Municipal Point Source Municipal Discharges/Sewage color.gif 658.4
Surface Mining Resource Extraction color.gif 428.2
Natural Sources Natural/Wildlife color.gif 342.9
Package Plant Or Other Permitted Small Flows Discharges Municipal Discharges/Sewage color.gif 301.8
Major Industrial Point Sources Industrial color.gif 243.6
Unknown Source Unknown color.gif 109.3
Marinas And Recreational Boating Recreational Boating And Marinas color.gif 18.8
Upstream Impoundment Hydromodification color.gif 11.8

Top of page


Site-specific Targeted Monitoring Results

Puerto Rico Lakes, Reservoirs, and Ponds 2014

Description of this table

All
Lakes, Reservoirs, and Ponds

12,146.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 10,105.0
Unassessed 2,041.0
Total Acres 12,146.0







arrow pointing right
Description of this table

Assessed
Lakes, Reservoirs, and Ponds

10,105.0 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 300.0
Threatened .0
Impaired 9,805.0
Total Acres Assessed 10,105.0







arrow pointing right
Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

9,805.0 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

.0
.0
.0
9,805.0
Total Threatened and Impaired 9,805.0

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
Puerto Rico Lakes, Reservoirs, and Ponds 2014

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life 10,105.0 3.0 .0 97.0 color.gifcolor.gif
Drinking Water Supply 4,040.0 .0 .0 100.0 color.gif
Primary Contact Recreation 9,805.0 18.4 .0 81.6 color.gifcolor.gif
Secondary Contact (Recr) 10,105.0 20.9 .0 79.1 color.gifcolor.gif

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
Puerto Rico Lakes, Reservoirs, and Ponds 2014

Description of this table
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 9,805.0
Fecal Coliform Pathogens color.gif 7,662.0
Copper Metals (other than Mercury) color.gif 3,722.0
Turbidity Turbidity color.gif 2,331.0
Pesticides Pesticides color.gif 2,133.0
pH pH/Acidity/Caustic Conditions color.gif 2,123.0
Cyanide Toxic Inorganics color.gif 1,748.0
Arsenic Metals (other than Mercury) color.gif 1,194.0
Lead Metals (other than Mercury) color.gif 713.0
Surfactants Other Cause color.gif 634.0
Phosphorus Nutrients color.gif 560.0
Enterococcus Bacteria Pathogens color.gif 336.0
Thermal Modifications Temperature color.gif 257.0

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
Puerto Rico Lakes, Reservoirs, and Ponds 2014

Description of this table
Onsite Wastewater Systems (Septic Tanks) Municipal Discharges/Sewage color.gif 8,803.0
Agriculture Agriculture color.gif 3,680.0
Confined Animal Feeding Operations Agriculture color.gif 3,585.0
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 2,765.0
Minor Industrial Point Sources Industrial color.gif 2,187.0
Natural Sources Natural/Wildlife color.gif 1,598.0
Collection System Failure Municipal Discharges/Sewage color.gif 1,086.0
Upstream Impoundment Hydromodification color.gif 700.0
Unknown Source Unknown color.gif 688.0
Landfills Land Application/Waste Sites/Tanks color.gif 574.0
Marinas And Recreational Boating Recreational Boating And Marinas color.gif 399.0
Major Industrial Point Sources Industrial color.gif 285.0
Inappropriate Waste Disposal Spills/Dumping color.gif 77.0

Top of page


Site-specific Targeted Monitoring Results

Puerto Rico Bays and Estuaries 2014

Description of this table
Pie chart not displayed because total size for Bays and Estuaries is unavailable.
Assessed 8.7
Unassessed Unavailable
Total Square Miles Unavailable







arrow pointing right
Description of this table

Assessed
Bays and Estuaries

8.7 Square Miles of
Assessed Bays and Estuaries

Good .0
Threatened .0
Impaired 8.7
Total Square Miles Assessed 8.7







arrow pointing right
Description of this table

Threatened and Impaired
Bays and Estuaries

8.7 Square Miles of
Threatened and Impaired
Bays and Estuaries

.1
.0
3.5
5.1
Total Threatened and Impaired 8.7

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
Puerto Rico Bays and Estuaries 2014

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life 5.1 .0 .0 100.0 color.gif
Drinking Water Supply .1 .0 .0 100.0 color.gif
Primary Contact Recreation 8.6 .0 .0 100.0 color.gif
Secondary Contact (Recr) 8.6 .0 .0 100.0 color.gif

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
Puerto Rico Bays and Estuaries 2014

Description of this table
Fecal Coliform Pathogens color.gif 8.4
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 4.9
Turbidity Turbidity color.gif 4.1
Total Coliform Pathogens color.gif 4.0
Thermal Modifications Temperature color.gif 3.9
Cyanide Toxic Inorganics color.gif 3.9
Lead Metals (other than Mercury) color.gif 3.8
Oil and Grease Oil and Grease color.gif 3.8
pH pH/Acidity/Caustic Conditions color.gif 3.8
Copper Metals (other than Mercury) color.gif 3.8
Mercury Mercury color.gif 3.7
Cadmium Metals (other than Mercury) color.gif 3.7
Enterococcus Bacteria Pathogens color.gif 3.7
Surfactants Other Cause color.gif 1.1
Nitrate/Nitrite Nutrients color.gif .1
Ammonia Ammonia color.gif .1
Flow Alteration(s) Flow Alteration(s) color.gif .0

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
Puerto Rico Bays and Estuaries 2014

Description of this table
Onsite Wastewater Systems (Septic Tanks) Municipal Discharges/Sewage color.gif 7.7
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 6.5
Collection System Failure Municipal Discharges/Sewage color.gif 6.0
Confined Animal Feeding Operations Agriculture color.gif 5.9
Major Municipal Point Sources Municipal Discharges/Sewage color.gif .9
Landfills Land Application/Waste Sites/Tanks color.gif .6
Upstream Impoundment Hydromodification color.gif .5
Minor Industrial Point Sources Industrial color.gif .4
Agriculture Agriculture color.gif .2
Major Industrial Point Sources Industrial color.gif .1
Unknown Source Unknown color.gif .0
Natural Sources Natural/Wildlife color.gif .0

Top of page


Site-specific Targeted Monitoring Results

Puerto Rico Coastal Shoreline 2014

Description of this table

All
Coastal Shoreline

550.0 Miles of Coastal Shoreline

Assessed 390.3
Unassessed 159.7
Total Miles 550.0







arrow pointing right
Description of this table

Assessed
Coastal Shoreline

390.3 Miles of
Assessed Coastal Shoreline

Good 89.7
Threatened .0
Impaired 300.6
Total Miles Assessed 390.3







arrow pointing right
Description of this table

Threatened and Impaired
Coastal Shoreline

300.6 Miles of
Threatened and Impaired
Coastal Shoreline

.0
.0
.0
300.6
Total Threatened and Impaired 300.6

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
Puerto Rico Coastal Shoreline 2014

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life 348.3 14.9 .0 85.1 color.gifcolor.gif
Primary Contact Recreation 340.4 69.1 .0 30.9 color.gifcolor.gif
Secondary Contact (Recr) 340.4 69.1 .0 30.9 color.gifcolor.gif

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
Puerto Rico Coastal Shoreline 2014

Description of this table
Turbidity Turbidity color.gif 233.4
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 191.5
pH pH/Acidity/Caustic Conditions color.gif 142.6
Enterococcus Bacteria Pathogens color.gif 97.4
Thermal Modifications Temperature color.gif 96.3
Oil and Grease Oil and Grease color.gif 82.4
Fecal Coliform Pathogens color.gif 15.6
Copper Metals (other than Mercury) color.gif 7.8
Arsenic Metals (other than Mercury) color.gif 7.8

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
Puerto Rico Coastal Shoreline 2014

Description of this table
Onsite Wastewater Systems (Septic Tanks) Municipal Discharges/Sewage color.gif 266.4
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 231.8
Upstream Impoundment Hydromodification color.gif 111.0
Marinas And Recreational Boating Recreational Boating And Marinas color.gif 105.7
Major Industrial Point Sources Industrial color.gif 89.4
Major Municipal Point Sources Municipal Discharges/Sewage color.gif 71.7
Agriculture Agriculture color.gif 41.0
Minor Municipal Point Source Municipal Discharges/Sewage color.gif 30.6
Unknown Source Unknown color.gif 25.1
Collection System Failure Municipal Discharges/Sewage color.gif 23.2
Highway/Road/Bridge Construction Construction color.gif 4.2

Top of page



Puerto Rico Causes of Impairment for Reporting Year 2014


Description of this table
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Size of Assessed Waters with Listed Causes of Impairment
Ammonia 130.5 .1
Flow Alteration(s) 342.9 .0
Mercury 275.2 3.7
Metals (other than Mercury) 1,831.3 4,282.0 3.8 7.8
Nutrients 281.3 560.0 .1
Oil and Grease 122.6 3.8 82.4
Organic Enrichment/Oxygen Depletion 2,488.7 9,805.0 4.9 191.5
Other Cause 1,063.4 634.0 1.1
Pathogens 5,998.1 7,998.0 8.6 105.2
Pesticides 544.3 2,133.0
pH/Acidity/Caustic Conditions 510.7 2,123.0 3.8 142.6
Temperature 443.5 257.0 3.9 96.3
Toxic Inorganics 3,174.4 1,748.0 3.9
Turbidity 2,718.4 2,331.0 4.1 233.4

Top of page



Puerto Rico Probable Sources Contributing to Impairments
for Reporting Year 2014

Description of this table
NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Size of Assessed Waters with Probable Sources of Impairments
Agriculture 4,253.7 6,554.0 6.0 41.0
Construction 4.2
Hydromodification 11.8 700.0 .5 111.0
Industrial 2,906.3 2,187.0 .5 89.4
Land Application/Waste Sites/Tanks 2,075.7 574.0 .6
Municipal Discharges/Sewage 5,973.1 8,803.0 7.9 266.4
Natural/Wildlife 342.9 1,598.0 .0
Recreational Boating And Marinas 18.8 399.0 105.7
Resource Extraction 428.2
Spills/Dumping 77.0
Unknown 109.3 688.0 .0 25.1
Urban-Related Runoff/Stormwater 3,932.5 2,765.0 6.5 231.8

Top of page


Puerto Rico TMDL Alternatives by Cause of Impairment 2014


No TMDL Alternatives reported.

Top of page



Puerto Rico Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

Description of this table
NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
2004 color.gif 1 1
2010 color.gif 1 1
2015 color.gif 2 3

Top of page


Puerto Rico Causes of Impairment for 303(d) Listed Waters

Description of this table
NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Organic Enrichment/Oxygen Depletion color.gif 119
Metals (other than Mercury) color.gif 96
Turbidity color.gif 93
Toxic Inorganics color.gif 76
Pathogens color.gif 42
Other Cause color.gif 40
pH/Acidity/Caustic Conditions color.gif 39
Temperature color.gif 23
Pesticides color.gif 16
Oil and Grease color.gif 10
Nutrients color.gif 8
Mercury color.gif 6
Ammonia color.gif 3

Total: 571 Causes of Impairment

Top of page



Puerto Rico Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Fecal Coliform color.gif 313 313
Biochemical Oxygen Demand (BOD) color.gif 4 4
Ammonia, Total color.gif 2 2
Copper color.gif 2 2

Total: 321 TMDLs; 321 Causes of Impairment Addressed


Top of page


Puerto Rico Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.


Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
2002 color.gif 14 14
2003 color.gif 4 4
2007 color.gif 27 27
2008 color.gif 8 8
2010 color.gif 52 52
2011 color.gif 118 118
2012 color.gif 98 98

Total: 321 TMDLs; 321 Causes of Impairment Addressed

Top of page



TMDL Document Search


Full Text Search of TMDL Documents

Top of page


Jump to main content.