On Thursday, September 24, a handful of Jupiter Community High School students waded into the Indian River Lagoon near Jupiter Island, unrolled a 55-foot bag seine net, and did something they do roughly once a month during the school year: counted fish. Not for a grade, exactly, and not for a science fair. They were adding one more entry to a dataset that has been running, with the same gear and the same stretch of water, since before some of the island's current homeowners bought their first house here.
The students are part of Jupiter Community High's Environmental Research and Field Studies Academy, known locally as JERFSA. The program has been sending teenagers into the field since August 1993, when it launched with 75 students and two teachers. What makes the fish surveys different from a typical class project is continuity. Biologist David Porter, who works with the Loxahatchee River Environmental Control District, has overseen student data collection at this specific site since 1994. The site itself was already being studied by other groups going back to the 1970s. Few pieces of environmental data touching Jupiter Island stretch back that far, and fewer still are collected the same way, at the same spot, month after month, by people who have no stake in what the numbers show.
A Program Older Than Some of the Island's Current Landscaping
JERFSA was the brainchild of a teacher named Neal White, who began planning it in 1992 and ran it until his retirement at the end of the 2016 school year. Tammy DeLeonardo has coordinated the academy since. The four-year magnet program takes students into the field about once a month, and the fish survey is one of the longest-running pieces of that fieldwork. Instructor Aaron Lichtig, who now leads the academy's outdoor sessions, has described the value of the exercise in practical terms: students record species, size, and count themselves, then release the fish back into the lagoon. Tenth grader Emery Taylor, present for the September 24 survey, called the chance to actually handle the catch the part that made the science click.
None of this would matter much for a resident's understanding of the water they look at every day if it were a one-time snapshot. It matters because it isn't.
The Slower Years Nobody Announced
Lichtig has also been candid about what the long-running data showed five to eight years ago: fewer fish, and less variety in what came up in the net. That kind of dip doesn't usually make the local news. Nobody holds a press conference over a quiet stretch of average survey results. It just shows up, if anyone is bothering to look, as a flatter line in a dataset that most people never see. The value of a 30-year survey isn't that it captures dramatic moments. It's that it captures the boring years too, the ones that would otherwise disappear.
The Turn That's Now Showing Up in the Numbers
What's notable about this year's surveys is that the trend has reversed, and the reversal shows up in two independent places, not just one teacher's field notes. Lichtig has pointed to improving seagrass health as part of the explanation, saying the seagrasses have been starting to do a little bit better in recent years, alongside a fish catch that's grown noticeably larger.
That observation lines up with what the Loxahatchee River Environmental Control District tracks through its own instrumentation. The district's WildPine Ecological Laboratory monitors seagrass every other month at four sites in the Loxahatchee River estuary plus a reference site in the southern Indian River Lagoon, the same body of water the student surveys sample. Seagrass is the detail worth paying attention to here, because it isn't a proxy or a guess. It's food and shelter for the juvenile fish the students are counting, and its health is one of the more reliable indicators of water quality the district uses in this stretch of the lagoon.
Two separate monitoring efforts, run by two different institutions on two different schedules, are now telling a consistent version of the same story: the water here spent several years producing less, and it's currently producing more.
Why the Unchanged Net Matters More Than a Single Good Season
It would be easy to read one strong survey as a fluke. A single good haul doesn't prove much on its own; lagoon systems fluctuate with rainfall, temperature, and a dozen other variables that shift year to year regardless of long-term health. What makes this year's numbers worth noting isn't that they're good. It's that they're being measured against three decades of prior hauls using the identical method, at the identical site, which is the only way a single season's data means anything at all. Change the net, change the location, change who's counting, and you've lost the ability to say whether this year is actually different from 2019 or 2015. JERFSA never changed any of those variables. That's what a 30-year dataset buys you: the ability to tell a real trend from a lucky Thursday.
It also means this information didn't come from a marketing report, a real estate outlook, or a seasonal visitor's impression. It came from a public high school program and a special taxing district whose job is water quality, not property values. Nobody involved has a reason to spin an upward trend as more dramatic than it is, which is part of why the trend is worth taking seriously.
What the Water Is Actually Telling Anyone Who Lives Along It
For anyone with a dock, a view, or a daily walk along the lagoon side of Jupiter Island, this is information that doesn't usually make it past a science classroom. The stretch of Indian River Lagoon these students sample sits along the same intracoastal water that runs the length of the island, and its condition over the last three decades has been documented in more detail than most residents realize. The takeaway isn't that everything is fixed. Lichtig's own comparison points to a specific window, five to eight years back, when the numbers were worse, which means the water has moved in both directions before and could again. What's different now is that a resident who wants to know how the lagoon is actually doing doesn't have to rely on how clear it looked last weekend. There's a public seagrass monitoring record and a 30-year student fish count both pointing the same direction, and both will keep updating long after this particular survey season ends.
The next round of seagrass data from the Loxahatchee River District's monitoring program is typically posted by late October. For a lagoon that residents look at every day, that's a more useful check-in than most people know exists.
If you're curious how the health of Jupiter Island's water fits into the bigger picture of life on the island, Susan Turner has spent years paying attention to exactly this kind of local detail. Let's Connect.
