Our Services
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Arrowroot Engineering provides design services for subdivision permitting and design including the following:
1) Certificate of Subdivision Approval (COSA) Preparation & Rewrites
2) Local county onsite wastewater permits
3) DEQ-8 Circular stormwater design
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Arrowroot Engineering provides full service drainfield design for your residential home or commercial business. Ashley is a registered Gallatin County Site Evaluator and can complete the required soil characterizations for your proposed system.
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Ashley is a certified SWPPP preparer in the state of Montana and can help prepare SWPPPs for construction sites with greater than 1 acre of disturbance.
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When a septic drainfield begins to fail, homeowners often notice slow-draining fixtures, sewage odors, wet/soggy areas in the yard, or wastewater backing up into the home.
Arrowroot Engineering provides septic system evaluations and replacement drainfield design for properties.
We can evaluate your existing system, identify site constraints, and develop a replacement system designed for your property and applicable regulatory requirements.
Ashley Flammond, PE
Ashley is a registered professional engineer in the State of Montana and the owner of Arrowroot Engineering, PLLC. She has more than 17 years of experience working for a variety of public and private clients. Her work experience includes the design of commercial/residential subdivisions, sanitary/stormwater infrastructure, public water supplies, and onsite wastewater systems.
Contact Us
Interesting in one of our services? Reach out using this form and we will be happy to answer any questions you have or provide a cost estimate.