Towar Rain Garden Drains: - Michigan Water Environment Association
Towar Rain Garden Drains: - Michigan Water Environment Association
Towar Rain Garden Drains: - Michigan Water Environment Association
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12/14/2011<br />
P a t r i c k E . L i n d e m a n n<br />
INGHAM COUNTY DRAIN COMMISSIONER<br />
<strong>Towar</strong> <strong>Rain</strong> <strong>Garden</strong> <strong>Drains</strong><br />
A Low-Impact Urban Retrofit<br />
2. Grab Sampling and Field Measurement<br />
• Take Grab samples 1-2 times per<br />
year<br />
• Gather Quanta meter and<br />
turbidity meter readings<br />
• Test infiltration rate of rain<br />
garden<br />
P a t r i c k E . L i n d e m a n n<br />
INGHAM COUNTY DRAIN COMMISSIONER<br />
<strong>Towar</strong> <strong>Rain</strong> <strong>Garden</strong> <strong>Drains</strong><br />
A Low-Impact Urban Retrofit<br />
3. <strong>Rain</strong> Event<br />
• Actual Performance<br />
• Natural hydrologic cycle<br />
• At mercy of mother nature<br />
• Common storms, lack uncommon and<br />
extreme storms<br />
• Must be always ready to collect and<br />
process samples.<br />
4. Simulated Event<br />
• Idealized<br />
• Impossible to synthesize full hydrologic<br />
cycle in field tests<br />
• Very controlled environment<br />
• Takes more people and resources and is<br />
more stressful<br />
• Able to collect data at very high resolution<br />
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