Septic problems
Why is septic effluent surfacing in my yard?
Straight answers from a family owned septic company serving Denver and the Colorado Front Range for over 20 years.
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- Family Owned & Operated
- 20+ Years of Septic Experience
- Serving Denver & the Front Range
- Licensed & Insured
Surfacing effluent Surfacing effluent is septic liquid that has broken through to the ground surface over the tank, the lines, or the drain field instead of soaking into the soil. It is often gray, odorous, and persistent in dry weather.
Surfaced effluent is untreated wastewater in the open, which is a health hazard and a reportable condition in most counties.
Surfacing effluent means partially treated wastewater is coming up through the soil instead of soaking down through it. It is a health hazard and a sign the drain field has lost capacity, the tank is passing solids, or a line is broken. It is not something to wait out. Keep people and pets off the area, cut water use hard, and have the tank pumped and the field evaluated. Many Colorado counties treat surfacing effluent as a reportable failure.
What you are seeing
- Gray or black water pooling over the field or tank
- Strong sewage odor outdoors
- Soft, spongy ground that stays wet in dry weather
- Toilet paper or solids visible on the surface
What it usually means
Ranked by how often we find each one on Front Range properties.
- 1
Drain field has reached the end of its capacity
Most likelyBiomat and years of loading leave the trenches unable to absorb flow, so liquid takes the path of least resistance up.
- 2
Solids carried into the field
CommonA tank that has not been pumped or a failed outlet baffle sends solids into the laterals and plugs them.
- 3
Hydraulic overload
CommonMore water per day than the system was sized for, often from added occupants, fixtures, or a leaking toilet.
- 4
Broken lateral or D box
PossibleAll flow dumping into one trench floods that section while the rest of the field sits unused.
- 5
High seasonal groundwater
Less commonSpring runoff can raise the water table until the field has nowhere to drain.
What to do right now
- Rope off or flag the wet area and keep pets and children away.
- Cut household water use to essentials.
- Do not mow or drive across the saturated ground.
- Wash hands and clothing that contact the area.
- Call 720-427-7557 for same-day evaluation.
When it is an emergency
Call 720-427-7557 right away if any of these are true.
- Effluent is running toward a ditch, creek, storm inlet, or well
- The house is backing up as well
- Anyone has had skin contact with the surfaced water
What the fix typically involves
Pump and relieve the system
Pumping drops the load immediately and buys time while we evaluate the field.
Inspect baffles, D box, and laterals
We check whether one section is flooded or the whole field is failing. Those are very different repairs.
Repair or plan replacement
Isolated damage gets repaired. A field with no recovery needs a replacement plan and a county permit.
What drives the cost
We do not post flat prices, because the same symptom can be a filter cleaning or a drain field replacement. These are the factors that set the number on your property. You get the price before we start the work.
- Whether one lateral or the whole field is involved
- Permit and design requirements in your county
- Excavation depth, soil, and site access
- Whether the tank also needs repair or replacement
Tell us what your system is doing
Send the details and we will tell you what we think is going on and what it takes to fix it. We serve Denver, Westminster, and the Colorado Front Range.
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Septic trouble? We answer the phone.
Family owned and operated, serving the Front Range for over 20 years.