Is Green Cove Springs, FL Tap Water Safe? Quality & Contaminants

What was found in Green Cove Springs's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

Contaminant	Level vs EPA limit	Suppliers	Source
Fluoride	140 µg/L 3.5% of the EPA limit 4000 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017 Highest in the city: 340 µg/L — PIER STATION WTP · 270 people · 2018	4/4	SYR4
Nitrate	100 µg/L 1% of the EPA limit 10000 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2019 Highest in the city: 220 µg/L — PIER STATION WTP · 270 people · 2019	4/4	SYR4
TTHM	17.4965 µg/L 22% of the EPA limit 80 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2019 Highest in the city: 32.844 µg/L — ST. JOHNS LANDING APARTMENTS · 1,310 people · 2019	4/4	SYR4
Cyanide	22 µg/L 11% of the EPA limit 200 µg/L Highest in the city: ST. JOHNS LANDING APARTMENTS · 1,310 people · 2018	1/4	SYR4
Copper	0.5000 µg/L 0% of the EPA limit 1300 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017 Highest in the city: 17.68 µg/L — CITY OF GREEN COVE SPRINGS WTP · 7,000 people · 2017	4/4	SYR4
Barium	10 µg/L 0.5% of the EPA limit 2000 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017 Highest in the city: 16.85 µg/L — CITY OF GREEN COVE SPRINGS WTP · 7,000 people · 2017	4/4	SYR4
Selenium	13.79 µg/L 28% of the EPA limit 50 µg/L Highest in the city: PIER STATION WTP · 270 people · 2018	2/4	SYR4
Total Haloacetic Acids (HAA5)	7.147 µg/L 12% of the EPA limit 60 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2019 Highest in the city: 13.721 µg/L — ST. JOHNS LANDING APARTMENTS · 1,310 people · 2019	4/4	SYR4
Antimony, Total	0.1000 µg/L 1.7% of the EPA limit 6 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017 Highest in the city: 3.9 µg/L — PIER STATION WTP · 270 people · 2018	4/4	SYR4
Arsenic	0.2000 µg/L 2% of the EPA limit 10 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017 Highest in the city: 3.7 µg/L — PIER STATION WTP · 270 people · 2018	3/4	SYR4
Lead	1.2 µg/L 8% of the EPA limit 15 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017	2/4	SYR4
Thallium, Total	0.2000 µg/L 10% of the EPA limit 2 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017	1/4	SYR4
Cadmium	0.1000 µg/L 2% of the EPA limit 5 µg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2017	1/4	SYR4
Lead	0.00070 mg/L 4.7% of the EPA limit 0.0150 mg/L Main supplier: LAKE ASBURY GRID · 27,001 people · 2023 Highest in the city: 0.0069 mg/L — ST. JOHNS LANDING APARTMENTS · 1,310 people · 2023	4/4	LCR

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Green Cove Springs

Supplier	Population served
LAKE ASBURY GRID	27,001
CITY OF GREEN COVE SPRINGS WTP	7,000
ST. JOHNS LANDING APARTMENTS	1,310
PIER STATION WTP	270

Frequently asked questions about Green Cove Springs tap water

Is Green Cove Springs tap water safe to drink?

EPA testing detected 14 contaminants in the water serving Green Cove Springs. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Green Cove Springs?

4 public water suppliers report drinking-water monitoring for Green Cove Springs, Florida to the EPA. Each is listed above with its population served.

What contaminants are in Green Cove Springs's water?

The contaminants EPA monitoring detected in Green Cove Springs include Fluoride, Nitrate, TTHM, Cyanide, Copper. The full list, with the level at the main supplier and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.