Stormwater Systems
Understanding Stormwater Systems
Each stormwater system is made up of components or assets called stormwater control measures (SCMs) or best management practices (BMPs). SCMs can include retention ponds, parking lot swales and curb inlets. Most stormwater systems are a mix of aboveground and underground systems. Some may be traditional “gray infrastructure” or manufactured, concrete devices, while some SCMs may utilize vegetation to treat water, called green stormwater infrastructure.
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Frequently Asked Questions about Stormwater Systems
The stormwater assets on a property were designed to best serve the property based on expected rainfall, common pollutants and municipal regulations. Together these assets store and convey stormwater to reduce flooding and pollutants while stormwater returns to larger bodies of water to facilitate the water cycle. As these assets collect pollutants, they must be regularly inspected, cleaned and maintained.
Stormwater systems can be designed to collect the following:
- Sediment
- Trash and debris
- Excess runoff
- Nitrogen and phosphorus
- Metals
- Oils and grease
How do I know what stormwater control measures are on my property?
It is best practice to have a stormwater professional perform a site inspection to understand what assets are on your property. There may be records of original design plans that include SCMs, but these may be outdated.
How do I handle a stormwater Notice of Violation?
Municipalities may send property owners a notice of violation or corrective notice due to lack of compliance with stormwater regulations. The notice will include the stormwater failure and a timeline to perform repairs. Contact a stormwater professional today to remediate the notice.
Is stormwater management required?
Stormwater maintenance is preventative. Regular maintenance ensures the system will continue to operate without major interruptions.
Why does my property still flood after it was maintained?
In some cases, the original design of the property does not account for modern rainfall and runoff amounts. If your stormwater system no longer properly manages stormwater on your property, you may need to consult a stormwater engineer about adding or rehabilitating stormwater assets on your property.
Maintaining Stormwater Systems
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