Simonton Street Beach Water Quality
Monroe County, Florida
Good
The latest test found low bacteria levels (35 or fewer per 100 mL).
- Latest test
- Oct 20, 2026 (16 days ago)
- Enterococci
- 31 per 100 mL
- Past 12 months
- 15 of 20 tests Good, 1 Poor
Results over time
Recent tests
| Date | Enterococci per 100 mL | Rating |
|---|---|---|
| Oct 20, 2026 | 31 | Good |
| Oct 6, 2026 | 10 | Good |
| Sep 22, 2026 | 10 | Good |
| Sep 8, 2026 | 87 | Poor Advisory |
| Aug 25, 2026 | 10 | Good |
| Aug 11, 2026 | 42 | Moderate |
| Jul 28, 2026 | 10 | Good |
| Jul 14, 2026 | 42 | Moderate |
| Jun 30, 2026 | 20 | Good |
| Jun 16, 2026 | 64 | Moderate |
| Jun 2, 2026 | 10 | Good |
| May 19, 2026 | 10 | Good |
| May 5, 2026 | 31 | Good |
| Apr 21, 2026 | 10 | Good |
| Apr 7, 2026 | 10 | Good |
| Mar 24, 2026 | 10 | Good |
The long view
The state has 496 tests on record for Simonton Street Beach over 27 years, starting October 2000. In the last 10 years, 1 test of 20 (5%) came back Poor, close to the rate for all Florida sampled beaches (6.1%). Bacteria levels usually jump after heavy rain, when stormwater washes to the shore, and drop again within a day or two.
Nearby sampled beaches
- Fort Zachary Taylor State ParkMonroe County · Tested Oct 20 · 10 per 100 mL · 1.2 miGood
- South BeachMonroe County · Tested Oct 20 · 10 per 100 mL · 1.2 miGood
- Higgs BeachMonroe County · Tested Oct 20 · 10 per 100 mL · 1.6 miGood
- Smathers BeachMonroe County · Tested Oct 20 · 10 per 100 mL · 2.5 miGood
- Bahia Honda BaysideMonroe County · Tested Oct 20 · <10 per 100 mL · 33.7 miGood
- Bahia Honda OceansideMonroe County · Tested Oct 20 · 63 per 100 mL · 33.7 miModerate
About this site
Sampling site SIMONTON STREET BEACH (Monroe County, EPA beach ID FL145983), at 24.56194, -81.80556. Results are from the Florida Department of Health's Healthy Beaches Program; years before 2026 come from the state's submissions to EPA's Water Quality Portal.