Dead fish trigger Roberts Lake complaints

Dead bass float at Roberts Lake (Andrew Simpkins)

Complaints about dozens of dead bass, bluegills, catfish, carp and other fish lying on the surface of Rohnert Park?s Roberts Lake have been streaming in to the Press Democrat, online forums and even the city government.

Fishermen and others who have long enjoyed the pond near the golf course are alarmed about the volume of fish found floating or gasping for oxygen. Most are estimated to be 3-7 pounds and a few as large as 12 pounds, according to Andrew Simpkins, who took photos of the dead fish on Sept. 27.

Simpkins, who witnessed more than 30 dead bass, posted his photos along with the following comments on Belly Boat Bass Club?s message board, an online forum for anglers:

?Sure is sad to see fish that big dead! Would have loved to catch and release just one of those bass! Fish of a lifetime, just floating on the surface! It takes A LOT to kill a fish that old! Doesn?t it? Something major went wrong!?

Speculation about the causes range from golf course run-off, highway construction, pH levels, pollution, and even garbage. Simpkins recently caught three plastic grocery bags on his spinner.

Disgusted and disappointed over the condition of the lake, Jennifer Kesser filed a ?Complaint on Dead Animals? to Rohnert Park city officials on Sept. 26. Her brother, James Kesser, also took photos of the dead fish.

?I am horrified by the dead wildlife floating by the hundreds. How awful this cute pond where I used to to eat lunch is now a cesspool. Why is RP not acting?!!? she wrote in the report.

(Andrew Simpkins)

Tom Kelly, a general services supervisor for Rohnert Park who oversees the landscape around the lake, responded in his report that ?the water is doing its natural seasonal turn over,? which could be responsible for the die off. He said it happens every year, but this is the first one anyone has complained about it.

Kelly claims the lake?s primary use is as a holding pond for irrigation. He says the water is shallow and warm, especially in summer months, and possibly not cold enough to sustain the amount of wildlife it contains.

Each May, the Rohnert Park Fishing Derby stocks the lake with 1,000 fish for its annual competition.

?Maybe if the fish aren?t all caught at the Derby, the natural amount the pond can support could be limited,? Kelly speculated in a phone call with the Press Democrat.

Although reports on the death toll have been estimated to be in the hundreds, Kelly says he ?never saw anything? like that when he walked the perimeter and cannot confirm a number. He also said he could not confirm the rumor that the Department of Fish and Game came out to assess the current state of the lake or determined the cause of death to be a lack of aeration.

If you?re concerned about the aesthetic and recreational status of this small lake and its natural resources, weigh in on the conversation. What do you think can be done about it?

Related Posts

1. GALLERY: Thousands of fish spontaneously fly out of Roberts Lake!
2. Fishing Derby at Roberts Lake
3. ?I caught a fish that was THIS BIG!?

Source: http://rohnertpark.towns.pressdemocrat.com/2012/10/news/cause-uncertain-on-roberts-lake-death-toll/

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