Septic Engineer in Schroeppel, NY

Septic design in Schroeppel: the short answer

The Town of Schroeppel surrounds the Village of Phoenix. The village is on its own sewer plant; the town is not, at least not yet. A septic design here is the PE stamped plan that proves to Oswego County the lot can treat its wastewater.

Short answer: the town's own sewer study says western Schroeppel properties rely on private septic and that some are malfunctioning toward the Oswego River and its tributaries. Until sewer arrives, a failed system gets a replacement design.

Sewer or septic in the Town of Schroeppel

The West Schroeppel Sewer Service Area, as described in a 2025 state notice, would add about 31 miles of sewer mains, grinder pumps and a pump station, with a transmission main from Barnard Road along the Oswego County Trail to the Fulton Water Pollution Control Plant or through two metered connections to the county's planned interceptor.

The county's interceptor plan would place the entire Town of Schroeppel inside a Southern Oswego County Sewer District. Both are plans. Lots without a built main stay on septic, and the county health department still reviews any replacement.

How a septic design works in Schroeppel

1. Send the address and a few photos. Use the form below. Estimate in 1 hour.
2. Confirm the lot needs septic. Check whether the lot is in the Village of Phoenix sewer. In the town, plan on septic until a West Schroeppel or county main is built.
3. Deep hole and perc tests. At least one test hole six feet deep at the leaching area and at least two perc tests per system, per Appendix 75-A. Terrace pits show sand and gravel; river edge pits show wet fine sand.
4. Design and stamp. Designs are prepared and stamped by a New York licensed Professional Engineer (PE), sized at a minimum of 110 gallons per day per bedroom for a new house.
5. Oswego County plan review. Four sets of plans and the plan review fee go to the Oswego County Health Department, Environmental Health Division, 70 Bunner St., Oswego. The department engineer sends three sets back with a letter of approval or rejection, and a copy of that letter goes to you and to the Town of Schroeppel code enforcement officer.
6. Building permit and install. With the approval letter in hand, the building permit is pulled through the Town of Schroeppel code enforcement office. Backwell coordinates the excavation, tank, distribution box and absorption area and builds them to the approved plan.
7. Final paperwork. For an alternative system such as a raised bed, mound or sand filter, state rule 10 NYCRR 75.5 has a design professional supervise construction and certify to the health department that it matches the approved plans.

Soils and seasonal water around Schroeppel

Schroeppel lies on the Oswego River terraces and the lake plain around them. Palmyra gravelly loam on the terraces is well to somewhat excessively drained; Colonie and Elnora sands cover much of the upland. These are often good septic soils, sometimes fast enough to need blending.

Near the river and the creeks, Lamson very fine sandy loam is poorly to very poorly drained. Lamson's light colors come from high sand content and a high water table, the USDA notes. Those parcels push designs up.

What the health department checks

Oswego County reviews septic plans itself, at its Environmental Health Division in Oswego. The state sets the floor in Appendix 75-A; a local health department may adopt stricter standards, but not looser ones without a state waiver. On a lot in Schroeppel the review comes down to a handful of measured items:

• 100 feet from an absorption field, raised bed or mound to a stream, lake, watercourse or wetland, measured to the mean high water mark, and 50 feet from the tank.
• No absorption system in ground lower than the 10 year flood level, and no field on slopes steeper than 15 percent.
• Soil that percolates faster than 1 minute per inch is not acceptable for a subsurface system unless it is blended with less permeable soil across the whole field area.
• Conventional trench field: at least 4 feet of useable soil above rock, tight soil and the high seasonal groundwater, with the highest groundwater at least 2 feet below the trench bottom.

Common Schroeppel site problems and the design fix

System leaching toward a tributary

The exact problem the town's sewer plan names. A replacement moves the field 100 feet from the stream, keeps it above the 10 year flood level, and uses fill if the soil is wet.

Fast gravel terrace

Palmyra gravel faster than 1 minute per inch needs blending with less permeable soil throughout the field area.

Lot in the future sewer area

If the county or town line may come in a few years, the replacement design keeps the tank where a later grinder pump connection is easy.

What it costs

Published county fees, effective January 1, 2026: $125 for the Oswego County Health Department to review plans for one home and $250 for a commercial system, a category the county applies to businesses and rentals. Selling a house? The county lists a 4 day septic dye test with written results at $230.

Design and install are priced together in writing for your lot. Terrace and upland lots in Schroeppel often avoid fill; river edge lots usually do not.

Grant money: Oswego County runs the state Septic System Replacement Fund. Its application says eligible projects can be reimbursed up to 50 percent with a $10,000 maximum, design costs at 50 percent up to $3,000, and every replacement must be county approved, engineer designed and covered by a local building permit. The state priority waters for Oswego County are the central and eastern Lake Ontario shoreline and the upper Little Sandy Creek and its tributaries.

Timeline

Testing, stamped design, Oswego County review with the $125 fee, Town of Schroeppel permit, install.

Six months of settling through a freeze and thaw cycle for raised beds with finer fill. The written price includes the schedule.

Sources

• Oswego County Health Department: Septic Plan Review
• Oswego County Health Department: Water Supply Protection and Septic Plan Review
• Oswego County Health Department: Plan Review Fee Schedule, effective 1/1/2026
• Oswego County Health Department: Fee Schedule for Environmental Health Services, 1/1/2026
• Oswego County Community Development, Tourism and Planning: Septic System Replacement Grant Application
• NYS EFC: Septic System Replacement Fund Priority Waterbody List
• 10 NYCRR Appendix 75-A.4: Soil and site appraisal (Table 2 separation distances)
• 10 NYCRR Appendix 75-A.8: Conventional subsurface treatment systems
• 10 NYCRR Appendix 75-A.9: Alternative systems (raised, mound, sand filter)
• 10 NYCRR Appendix 75-A.3: Sewage flows
• 10 NYCRR Section 75.5: Minimum standards, design professional, alternative system approval
• NYSDEC ENB: Town of Schroeppel, West Schroeppel Sewer Service Area
• NYSDEC ENB: Southern Oswego County Regional Interceptor Sewer
• USDA NRCS Official Series Description: Palmyra
• USDA NRCS Official Series Description: Colonie
• USDA NRCS Official Series Description: Lamson

Rules and fees as published by the agencies above when this page was written; they can change. The approved plan for your lot controls.