When it comes to catch basin inserts, these simple little filtration devices can really have a big impact when it comes to eliminating all sorts of pollutants from making their way back into the soil and common waterways of your area. As stormwater drains are designed to provide a place for rainwater, runoff, et cetera to go, catch basin inserts are designed to filter out oil, gasoline, trash, and other undesirable crud that makes its way down these public drains, so the importance of catch basin inserts in general is hard to overestimate when it comes to public and environmental health.
If the pollution from stormwater runoff has become a problem in your area, you might want to ask the local government about installing catch basin inserts and catch basins themselves for filtration purposes. These units and their upkeep can be somewhat expensive, however, so you might want to find ways to raise the money for these catch basins and catch basin inserts that involve little or no added burden to the local tax base. If you band together with other like minded individuals in your community and educate the public about the benefits that catch basins and catch basin inserts have had in other communities, you might well see a plethora of donations start to come in from private parties.
You can also do your part to minimize the costs associated with catch basins, catch basin inserts, and their upkeep by finding the most reliable and inexpensive such options out there on the market today that are suitable for the needs of your locale. Once you and the local populace have enough money and an actionable plan, the city government and the voting public should be more than amenable to your proposal. Start your research!