2.7.5. Broward River

2.7.5.1. About the Broward River

Figure 2.34 The Broward River Tributary (WBID 2191A/B) with sanitary sewer overflows reported by JEA in 2019 (JEA 2019b).
Figure 2.34 The Broward River Tributary (WBID 2191A/B) with sanitary sewer overflows reported by JEA in 2019 (JEA 2019b).
  • Between downtown and Jacksonville International Airport (JIA)
  • Primary Land Use: Residential/Forested
  • Current TMDL reports: Mercury
  • 2016 Verified Impairment for Fecal Coliform (2191B)
  • WBID Area: 14.4 sq. mi.
  • Beneficial Use: Class III F/M (2191A – Recreational Freshwater, 2191B – Recreational Marine)

2.7.5.2. Data sources

Data were downloaded from the FL STORET and WIN websites (DEP 2010f; DEP 2018c) and filtered based on the stations (DEP 2010g) in Broward River WBID 2191A/B (DEP 2014c) shown above. The filtered dataset reflects water column concentrations and was used to generate Table 2.6. No water quality data for the selected parameters discussed below for the Broward River were available in STORET for 2017.

2.7.5.3. Discussion

Water quality data for the Broward River are shown in Table 2.6. Historically, average phosphorus levels were higher than the 2010 updated WQC (DEP 2015c; DEP 2016e; DEP 2016k). Historical maximum fecal coliform level at times exceeded the WQC of 400 colony-forming-units per 100 mL, and as a result, WBID 2191B is listed as impaired for fecal coliform. FDEP considers the Broward River a low priority for the development of a TMDL to address Fecal Coliform levels (DEP 2016e). The Broward River was identified as being impaired for mercury, based on elevated levels of mercury in fish tissue; however, it is being delisted (DEP 2016h) as it has been addressed by the statewide mercury TMDL (DEP 2013c). Little water quality data is available for the Broward River compared to other tributaries.

No recent measurements were available in WIN or STORET between 2017 and 2019 for the following parameters:

  • Total nitrogen

Historical water quality data for the Broward River are available in previous versions of the River Report.

Table 2.6 Water quality data for the Broward River.

 Water QualityAverage and Number of Samples º
ParameterCriteria201720182019
Dissolved Oxygen (mg/L)≤34% sat. (≤3.0) FWNot available5.63
(1 of 3 samples)
6.18
(0 of 4 samples)
≤4.0 SWNot available8.35
(0 of 4 samples)
6.99
(0 of 4 samples)
Total Phosphorus (mg/L)<0.12Not available0.24
(1 of 1 sample)
Not available
Chlorophyll-a (µg/L)<20 FWNot available2.10
(0 of 1 sample)
Not available
Arsenic (µg/L)≥50Not available1.31
(0 of 1 sample)
Not available
Cadmium (µg/L)≥0.3 FWNot available0.01
(0 of 2 samples)
Not available
Copper (µg/L)≥9.3 FWNot available2.65
(0 of 1 sample)
Not available
Lead (µg/L)≥3.2 FWNot available.91
(0 of 1 sample)
Not available
Nickel (µg/L)≥52 FWNot available1.02
(0 of 1 sample)
Not available
Silver (µg/L)≥0.07 FWNot available0.01
(0 of 1 sample)
Not available
Zinc (µg/L)≥120 FWNot available2.50
(0 of 1 sample)
Not available
Fecal Coliform (CFU/100 mL)<400Not available1550
(3 of 5 samples)
180
(0 of 8 samples)
Turbidity (NTU)<29Not available12
(0 of 1 sample)
Not available
Note: Hardness-dependent freshwater criteria for cadmium, copper, lead, nickel, and zinc were generated based on a hardness concentration of 100 mg/L.
° = Number of samples below Water Quality Criteria for Dissolved Oxygen; Number of samples above Water Quality Criteria for all other parameters.
FW = freshwater; SW = saltwater (marine). Values denoted with (*) indicate a proposed criterion, which has not yet been adopted.
Values denoted with (‡) are reference values based on EPA criteria (EPA 2010b), but the water body is not regulated by this standard.