If you wanted to know what the water looks like where Sewall's Point's storm drains empty into the lagoon, where would you look it up? Until this fall, nowhere did that job. The Florida Department of Health samples the St. Lucie River every week. Florida Oceanographic Society's volunteers sample dozens of sites. The Army Corps reports Lake Okeechobee releases every day. But no public record followed the water coming out of the peninsula's own stormwater treatment areas over time.
On Sept. 17, 2026, the Town Commission moved to start one. The vote began as a reply to a bad week last spring. By the end of the discussion it had turned into something more useful: a baseline taken just before the town's next big round of road and stormwater construction.
How a Spring Complaint Turned Into a Sampling Plan
The story starts with two discharges during construction. Hometown News Treasure Coast reported that Commissioner Frank Tidikis described incidents on March 23 and April 4 in which pumps discharged unfiltered groundwater toward area waterways. The same report said the Town Manager told the Commission that state agencies had sampled and found results within the normal range.
Residents asked for water-quality testing at the April meeting. After that, according to Hometown News' account of the September vote, a Florida Oceanographic Society volunteer offered to help the town gather quotes. The draft minutes of the Sept. 17 meeting say staff worked with that resident for several months before getting a proposal from Ecological Associates, Inc., with lab analysis by Eurofins.
By September, everyone agreed the spring water was long gone. The draft minutes record Commissioner Tidikis passing along the Archipelago HOA's view that the window to address that specific event had passed and that a forward-looking baseline was the priority. Vice Mayor Kajia Mayfield put it plainly in the Hometown News report: "I like the idea of seeing the results of our projects. I think that's a way to communicate to our residents the good work we're doing."
What the Samples Will Measure, and Where
The draft minutes list seven measurements at four locations:
- Dissolved oxygen
- Temperature
- pH
- Conductivity
- Turbidity
- Nitrogen
- Phosphorus
Nitrogen and phosphorus matter most here. Stormwater treatment areas are built to pull nutrients out of runoff before it reaches the lagoon, so those two numbers are the closest thing to a scorecard for the town's projects.
Commissioners did not pick the sites from the dais. The minutes record a consensus that the resident volunteer, the Town Engineer and the Town Manager would choose them together, and that the scope would cover the whole system rather than only the Archipelago. Two sets of candidates came up in the discussion:
- Existing and planned outfalls. Commissioner Tidikis named the Hammerhead, Simara Street, the area between Cranes and Heron's Nest, the proposed Phase 4 outfall, and North Sewall's Point Road.
- The Archipelago. Vice Mayor Mayfield argued for including it because those waters hold stormwater longer and get less tidal flushing, so local pollution is more likely to show up there.
The money is small. In the minutes, the volunteer said water sampling with nutrient analysis and no sediment testing would cost about $1,875 for one round, a quarter of the $7,500 quote for a full year of quarterly rounds. The Town Engineer said a full monitoring protocol built to state Department of Environmental Protection standards would cost $50,000 to $60,000. So what the town bought is a starting read, not a regulatory program. Accounts of the frequency differ. Hometown News described the vote as approving quarterly tests and quoted a $3,534 estimate for four water and sediment analyses. The draft minutes describe a baseline and a consensus on scope.
Why the Timing Points at Phase 2B
This is where the testing earns its keep. The Town Manager told the Commission that testing tied to the upcoming Phase 2B construction might be the more cost-effective approach, because it would allow comparisons from before and after construction.
Phase 2B is the next piece of the multiyear rebuild of South Sewall's Point Road. At the Aug. 8 budget workshop, staff said they expected it to start at the beginning of fiscal year 2027, which runs Oct. 1, 2026 through Sept. 30, 2027. The proposed capital budget for that year puts $9.9 million toward stormwater improvements, shared between Phase 2B and a North Sewall's Point stormwater project. In May, the Town Manager recommended holding off on bidding Phase 2B and pointed to $1 million in DOT and $750,000 in DEP appropriations. The May minutes also name Riverview as a priority inside the project area. No construction date or detour notice has been posted yet.
The spring incidents also shaped how Phase 2B will be built. Hometown News reported Town Engineer Joe Capra's explanation that the foul-smelling water came from sludge built up in old pipes during dewatering, and his plan for the next phase: "In Phase 2B, we're going to clean those pipes out beforehand."
A baseline taken before that work starts gives the town numbers to compare against afterward. The Engineer also said the Phase 1 treatment area had already been tested before and after treatment as a grant requirement. Phase 1 ran from Sewall's Meadow to High Point and was marked completed in the town's April 2024 capital update. Its treatment area sits at Marguerita, with an outfall at Mandalay. The new sampling carries that before-and-after idea to the rest of the peninsula. The Engineer added that grant programs generally welcome monitoring data and that future testing costs could be reimbursed through grants.
What Already Gets Measured Nearby
Plenty of public data already covers the water around Stuart, and it is worth bookmarking. None of it is sited on Sewall's Point's outfalls, and that gap is the one the town's sampling fills.
| Monitor | Run by | What it tracks | Latest public reading |
|---|---|---|---|
| St. Lucie River sampling | Florida Department of Health in Martin County | Enterococcus bacteria at Roosevelt Bridge, Sandsprit Park, Leighton Park and Stuart Sandbar, weekly | Oct. 12, 2026: 10, 20, 238 and 10 |
| FLOWSS | Florida Oceanographic Society | Salinity, visibility and dissolved oxygen at 47 volunteer sites in 10 zones, weekly | Graded by zone in weekly reports |
| Daily lake status report | U.S. Army Corps of Engineers | Lake Okeechobee release schedule, including the S-80 structure to the St. Lucie | Oct. 17, 2026: 0 cfs east release scheduled |
The Health Department's numbers show why one sample tells you little. Leighton Park read 238 on Oct. 12, while the other three sites read between 10 and 20. On Aug. 31 the same site read 1,652, and Roosevelt Bridge, Sandsprit Park and Stuart Sandbar all read 10 that week. Readings vary a lot from site to site and from week to week, which is why one round of results can't stand in for a trend.
On Oct. 15 the department issued a water-quality advisory for Leighton Park that advised against water activities there. Its sampling runs on Mondays. When results come back high, it generally takes a confirmation sample on Wednesday, and it issues an advisory only if that second sample is also high. The department scheduled its next sampling for Monday, Oct. 19, and its report page carries the newest results and any advisories still in effect, so check it before planning a day on the water.
Florida Oceanographic's FLOWSS program combines its volunteers' data with South Florida Water Management District and FDEP data and averages site grades by zone. Its grading method weights salinity, visibility and dissolved oxygen equally. FLOWSS doesn't measure nitrogen or phosphorus, the two nutrients the town's treatment areas are designed to remove.
The Corps report covers a different question. As of Oct. 17, the scheduled release from Lake Okeechobee through S-80 toward the St. Lucie was zero, and the Corps notes that it generally updates the schedule on Fridays.
The First Signs Come From Neighbors
Some early observations near the outfalls come from residents, not labs. At the September meeting, Commissioner Kurzman said residents near the Hammerhead had reported seagrass coming back for the first time in years. That is a firsthand report, not a measurement. The town's sampling is what can turn reports like it into a record.
In the same meeting, a resident asked during public comment how the town plans to use the results. Commissioner Tidikis answered that the system should be redesigned if testing shows it isn't meeting its projected outcomes. No results have been published yet. The first round will set the baseline, and the readings after Phase 2B will be compared against it.
If you would like to talk through what the road and stormwater work means for your own street or your plans on the peninsula, the Stracuzzi Team follows Sewall's Point closely and is glad to help. Schedule a consultation and we'll go through it with you.
