https://septicfacts.app/ Plain-English guides to septic systems, perc tests, soils and local rules, with the sources behind each one. en-us Wed, 11 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/drainfield-depth/ https://septicfacts.app/learn/drainfield-depth/ Where to find the depth and separation that apply to a drainfield, with Oregon and Pennsylvania examples of what a state rule can call for. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-tank-baffles/ https://septicfacts.app/learn/septic-tank-baffles/ What septic tank baffles do at the inlet and outlet of the tank, what can happen when one fails, and what to ask about a baffle repair. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/sand-filter-septic-system/ https://septicfacts.app/learn/sand-filter-septic-system/ How a sand filter adds a treatment step between the septic tank and the drainfield, where sand filters are used, and what they add in cost and upkeep. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-tank-size/ https://septicfacts.app/learn/septic-tank-size/ What septic tank size means, why a tank needs room for solids to settle, how bedrooms drive the minimum, and how size affects pumping. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-size-and-house-size/ https://septicfacts.app/learn/septic-size-and-house-size/ How bedroom count drives septic tank and drainfield sizing, why limited good soil can limit a house plan, and why to settle the bedroom count early. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-inside-city-limits/ https://septicfacts.app/learn/septic-inside-city-limits/ Whether a septic system is possible inside city limits, why public sewer availability usually decides it, how states and cities handle connection, and the hidden costs of sewer nearby. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/rv-and-septic/ https://septicfacts.app/learn/rv-and-septic/ The risks of emptying RV holding tanks into a home septic system, why holding-tank chemicals matter, and what to check with the county and the system's design before doing it. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/trees-over-septic/ https://septicfacts.app/learn/trees-over-septic/ Why tree and shrub roots damage septic tanks, pipes and drainfields, what to plant over the drainfield instead, and how to decide where trees can go on a lot with a septic system. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/irrigation-over-drainfield/ https://septicfacts.app/learn/irrigation-over-drainfield/ Why extra water from sprinklers and drainage works against a drainfield, which plantings suit the area over it, and what to keep off the drainfield and its reserve area. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/drainfield-under-driveway/ https://septicfacts.app/learn/drainfield-under-driveway/ Why driveways, parking and pavement do not belong over a drainfield, what traffic and paving do to the soil and pipes, and how to plan a lot so the drainfield stays clear and reachable. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/garbage-disposal-and-septic/ https://septicfacts.app/learn/garbage-disposal-and-septic/ What a garbage disposal adds to a septic tank, how it changes pumping, and what to ask the seller, the designer and the county if you plan to use one. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/do-septic-systems-need-power/ https://septicfacts.app/learn/do-septic-systems-need-power/ Which kinds of septic systems need electricity and which do not, and how to plan for a dedicated circuit, an alarm and power outages when yours does. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/sloped-lot-drainfield/ https://septicfacts.app/learn/sloped-lot-drainfield/ How slope helps and hurts a drainfield, why steep ground thins usable soil and complicates trench layout, and the kinds of design rules counties apply as ground gets steeper, with one state as a worked example. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/perc-test-cost/ https://septicfacts.app/learn/perc-test-cost/ What goes into the cost of a perc test, why it varies by state and county, and what to ask the permit agency before you pay for field testing. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/gravity-septic-maintenance/ https://septicfacts.app/learn/gravity-septic-maintenance/ What upkeep a standard gravity septic system still needs, from routine inspection and pumping to the everyday habits that protect the drainfield from early failure. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/house-placement-before-test-pits/ https://septicfacts.app/learn/house-placement-before-test-pits/ Why it helps to sketch your house, driveway, well and outbuildings before choosing where to dig septic test pits, and what can go wrong if the house is sited after the pits. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/hydric-soils-septic/ https://septicfacts.app/learn/hydric-soils-septic/ What hydric soils are, why wet soil matters for a septic drainfield and for wetland rules, and what a soil map does and does not tell you about one lot. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/failed-perc-test/ https://septicfacts.app/learn/failed-perc-test/ What a poor perc test result typically means, the soil and site conditions behind it, and what to ask the local septic permit agency about options. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/distant-drainfield/ https://septicfacts.app/learn/distant-drainfield/ How a drainfield far from the house is usually handled with a pump and pressure line, the cost and maintenance trade-offs, when an easement may come up, and why the pipe route belongs on the site plan early. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/major-vs-minor-septic-repair/ https://septicfacts.app/learn/major-vs-minor-septic-repair/ How septic repairs are commonly sorted into major and minor, why the difference matters for permits and cost, and what to check when buying a property with a recent repair. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/standard-septic-system/ https://septicfacts.app/learn/standard-septic-system/ How a conventional (standard) septic system works, from the tank to the drainfield, and how it differs from the alternative systems a county may call for. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/grinder-vs-lift-pump/ https://septicfacts.app/learn/grinder-vs-lift-pump/ What lift and grinder pumps do, how they differ from a drainfield pump, and when a house needs one to move wastewater up to the septic tank. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/mound-septic-system/ https://septicfacts.app/learn/mound-septic-system/ How a mound septic system raises the drainfield above the natural ground, when a county may call for one, and the trade-offs to ask about. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/perc-test-and-soil-evaluation/ https://septicfacts.app/learn/perc-test-and-soil-evaluation/ What a perc test is, how it differs from a soil evaluation, why land can come up short, and what to ask the county before you pay for field work. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-as-built/ https://septicfacts.app/learn/septic-as-built/ Explains what a septic as-built or record drawing is, what it typically shows, one worked example from Washington, and why buyers should ask the county for it. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septic-site-plan/ https://septicfacts.app/learn/septic-site-plan/ Explains what a septic site plan is, the features counties commonly ask to see on it, one worked example from Oregon, and why a complete plan saves time and money. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/soils-evaluation-requirements/ https://septicfacts.app/learn/soils-evaluation-requirements/ Walks through what a septic soils evaluation usually asks of a landowner, from the application and site plan to digging test pits, with one worked example from Oregon and a note on timing. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/septicfacts-report-vs-soils-evaluation/ https://septicfacts.app/learn/septicfacts-report-vs-soils-evaluation/ Explains how a SepticFacts desk screen differs from the field soils evaluation your county relies on, why the two can disagree, and how to use the report before paying for an evaluation. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/landscaping-around-septic/ https://septicfacts.app/learn/landscaping-around-septic/ How to plant and landscape around a septic tank and drainfield so the drainfield stays open and dry, the tank stays reachable, and future work does not damage the lines. Mon, 02 Nov 2026 00:00:00 GMT https://septicfacts.app/learn/using-an-existing-septic-system/ https://septicfacts.app/learn/using-an-existing-septic-system/ When an existing septic system can keep serving a property, what usually triggers a new permit, how inspections at sale work, and what to check before buying. Mon, 02 Nov 2026 00:00:00 GMT