Program Info

Website
https://www.epa.gov/waterdata/water-quality-data-upload-wqx
Region(s)
NW, SE, SW
Summary
Water quality data repository This is not a monitoring program but a database of data from monitoring programs. EPA's repository of the water quality monitoring data collected by water resource management groups across the country. Includes water quality, chemical parameter measurements made in the field or lab, physical parameter measurements such as water temperature or pH, biological sampling results, and habitat assessments or observations.
Parameters
Parameters vary depending on the program, but can include: Alkalinity (mg/L, ueq/L), aluminum (mg/L), ammonia-nitrogen as N (mg/L, ueq/L), ammonium (mg/L, ueq/L), anion deficit (ueq/L), apparent color (pt), arsenic (mg/L, ug/L), barium (mg/L), beryllium (mg/L), bicarbonate (ueq/L), bromacil (ug/L), calcium (mg/L, ug/L, ueq/L), carbon (mg/L), carbonate (ueq/L), chloride (mg/L, ueq/L), chlorophyll a (mg/L, ug/L), conductivity (mS/cm, umho/cm, uS/cm), copper (mg/L, ug/L), depth (m), secchi depth (m), dissolved oxygen (mg/L, ppm), diuron (ug/L), enterococcus (cfu/100mL), fecal coliform (cfu/100mL), fluoride (mg/L), gran acid neutralizing capacity (ueq/L), hardness (Ca, Mg, carbonate; mg/L), hydrogen (ueq/L), hydroxide (ueq/L), inorganic carbon (mg/L), inorganic nitrogen (NO2 + NO3 and NH4; mg/L), ionic strength (m), iron (mg/L, ug/L), kjeldahl nitrogen (mg/L), lead (mg/L, ug/L), PAR (uE/m2/sec), light transmissivity (%), magnesium (mg/L, ueq/L), manganese (mg/L), mercury (mg/L, ug/L), nickel (mg/L), nitrate (mg/L, ueq/L), nitrite (mg/L), nitrogen (mg/L, ug/L), nutrient-nitrogen (mg/L), organic anions (ueq/L), organic carbon (mg/L), organic nitrogen (mg/L), organic phosphorus (mg/L), orthophosphate (mg/L, ug/L), pH, pheophytin a (mg/L, ug/L), phosphate (mg/L, ug/L), phosphorus (mg/L, ug/L), particulate organic phosphorus (mg/L), potassium (mg/L, ueq/L), salinity (ppt), selenium (ug/L), silica (mg/L, ug/L), silicate (mg/L), sodium (mg/L, ueq/L), specific conductance (umho/cm), sulfate (ueq/L), sum of anions (ueq/L), sum of cations (ueq/L), tannin and lignin (mg/L), temperature (deg. C, deg. F), total coliform (cfu/100mL), total hardness (mg/L), total particulate nitrogen (mg/L), total solids (mg/L), total suspended solids (mg/L), transparency (m), true color (PCU), turbidity (NTU), zinc (mg/L, ug/L)
Notes
Application
Publications
Start
early 1960's
End
Current
Frequency
Variable
Method
various sampling and analytical methods
Discontinuity
Data Location
https://www.waterqualitydata.us/portal/
Data Format
various
STORET Data Warehouse
Habitats
Water Column
SEACAR Citation
U.S. Environmental Protection Agency (EPA). (2024). EPA STOrage and RETrieval Data Warehouse (STORET)/WQX. Updated 06/06/2025. Distributed by: SEACAR Data Discovery Interface, Office of Resilience and Coastal Protection, Florida Department of Environmental Protection. https://data.florida-seacar.org/programs/details/103
Alternative Citation

indicates priority attributes

Contacts

Export Standardized Data

Habitat(s) : Indicator(s) Last Updated File Download
Water Column : Nutrients, Water Quality, Water Clarity 06/11/25 10:57 AM Download File - Discrete WQ - 103.zip
DIP Document N/A Download File - DIP

Office of Resilience and Coastal Protection Managed Areas

Alligator Harbor AP, Apalachicola Bay AP, Apalachicola NERR, Banana River AP, Big Bend Seagrasses AP, Biscayne Bay AP, Biscayne Bay-Cape Florida to Monroe County Line AP, Boca Ciega Bay AP, Cape Haze AP, Cape Romano-Ten Thousand Islands AP, Cockroach Bay AP, Kristin Jacobs Coral AP, Coupon Bight AP, Estero Bay AP, Florida Keys NMS, Fort Clinch AP, Fort Pickens AP, Gasparilla Sound-Charlotte Harbor AP, Guana River Marsh AP, Guana Tolomato Matanzas NERR, Indian River-Malabar to Vero Beach AP, Indian River-Vero Beach to Ft. Pierce AP, Jensen Beach to Jupiter Inlet AP, Lemon Bay AP, Lignumvitae Key AP, Loxahatchee River-Lake Worth Creek AP, Matlacha Pass AP, Mosquito Lagoon AP, Nassau River-St. Johns River Marshes AP, North Fork St. Lucie AP, Pellicer Creek AP, Pine Island Sound AP, Pinellas County AP, Rocky Bayou AP, Rookery Bay AP, Rookery Bay NERR, St. Andrews AP, St. Joseph Bay AP, St. Joseph Buffer, St. Martins Marsh AP, Terra Ceia AP, Tomoka Marsh AP, Yellow River Marsh AP, Nature Coast AP

Indicators

Indicator
Water Column - Nutrients
Water Column - Water Quality
Water Column - Water Clarity
Water Column - Additional Indicators

Documentation and Data provided by program

File Type File Name Added On Details
Data Program103_download_24april2024.zip 04/24/24 07:55 AM View Details
Data Program103_download_4april2023.zip 04/04/23 01:35 PM View Details
Data program103_download_8April2022.zip 04/08/22 09:24 AM View Details
Data result.txt 12/11/20 05:38 PM View Details
Protocols Data Download Process for 103 Program.docx 04/08/22 09:24 AM View Details