Port Of The Islands, FL
Lead detected, under the action levels
Latest 90th-percentile lead: 0.1 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Port Of The Islands serves about 1,200 people through 661 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Collier County, Florida. EPA system ID: FL5110230; phone on file: 904-940-6044. They can tell you what your service line is made of and whether they pay to replace it.
Port Of The Islands's lead record
That is down 1.5 ppb from 1.6 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Port Of The Islands is 11 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.1 ppb |
| 2024 | 1.6 ppb |
| 2021 | 10 ppb |
| 2018 | 11 ppb over 10 |
How Port Of The Islands compares
Of the 1,481 Florida systems with a lead result, the median latest reading is 1 ppb; 3 are over 15 ppb right now and 85 have gone over at some point. Port Of The Islands's 0.1 ppb sits at the 25th percentile in Florida and the 41st nationally (higher means more lead).
Neighbouring systems
9 other systems share Collier County; 9 of them have a higher latest lead result than Port Of The Islands. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Collier County Regional Wtp | 216,993 | 1.2 ppb |
| Naples Water Dept | 83,804 | 1.3 ppb |
| Marco Island Utilities (City Of) | 31,830 | 2.9 ppb |
| Immokalee Water | 26,841 | 0.9 ppb |
| Ave Maria Utility Company, Lllp | 11,982 | 0.4 ppb |
| Everglades City | 2,978 | 4.3 ppb |
| Goodland Water Company | 853 | 4.7 ppb |
| Lee Cypress Co-Op | 82 | 4.6 ppb |
| Big Cypress Park Headquarters | 50 | 7.4 ppb |
Next steps for Naples, FL
Test your own tap with a certified lab first-draw sample; Naples, FL may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Port Of The Islands whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.