Septic vs. Sewer in El Paso County: What Colorado Springs Homeowners Need to Know
Most properties inside Colorado Springs city limits connect to the public sewer system managed by Colorado Springs Utilities. Rural areas — Black Forest, Peyton, Falcon, and large-lot properties throughout El Paso County — are almost always on private septic. A new septic system runs $15,000–$35,000 installed; a sewer tap and lateral typically costs $5,000–$25,000 depending on distance to the main. Knowing which system you have — and what shape it's in — is one of the most important things you can do before buying or selling a home in El Paso County.
| Point | Details |
|---|---|
| Who's on what | Colorado Springs city proper = mostly public sewer. Black Forest, Peyton, Falcon, unincorporated El Paso County = mostly septic. |
| New septic cost | $15,000–$35,000 installed in El Paso County, depending on soil type and system design. |
| New sewer tap cost | $5,000–$25,000 for a lateral line plus city tap fees; distance to the main is the biggest cost driver. |
| Maintenance difference | Septic requires pumping every 3–5 years ($300–$500/pump) and periodic leach field care. Sewer is a fixed monthly utility bill with no owner-side maintenance. |
| Pre-purchase requirement | El Paso County Public Health requires a septic inspection and pump report at time of property transfer. |
| Local soil factor | Dense clay and decomposed granite soil in El Paso County can restrict leach field performance — proper sizing matters. |
What's the difference between a septic system and city sewer?
A septic system is a private, on-site wastewater treatment system. Waste flows from the house to an underground septic tank, where solids settle and liquids drain out to a leach field (also called a drain field) where the soil naturally filters the water. The whole system lives on your property and is your responsibility to maintain.
A city sewer (or public sewer) is a shared municipal system. Waste flows from your home through a lateral line you own to a public main managed by Colorado Springs Utilities or the relevant district. From there it goes to a treatment plant. You pay a monthly utility bill and are responsible only for the lateral line on your side of the property.
Which areas of El Paso County are on septic vs. city sewer?
This is the most common question we get from buyers and sellers in El Paso County — and the answer is almost entirely geography-driven.
Mostly city sewer
- Colorado Springs city proper — central, north, and south Colorado Springs, including Briargate, Old Colorado City, Broadmoor, and Manitou Springs
- Fountain and Security-Widefield — served by their own utility districts with public sewer infrastructure
- Newer subdivisions along Powers Corridor and in Banning Lewis Ranch — built with sewer hookups as a condition of development
Mostly septic
- Black Forest — the large-lot, heavily treed area north of Colorado Springs is almost entirely on well and septic; lots here are typically 2.5–5+ acres
- Peyton and Calhan — far eastern El Paso County, rural, no public sewer main anywhere near most parcels
- Falcon — the area is growing fast, but many older parcels and those outside of new subdivision boundaries still use septic
- Unincorporated El Paso County on large lots — if you're on more than an acre outside city limits, assume septic until proven otherwise
The simplest way to confirm: call Colorado Springs Utilities at 719-448-4800 or El Paso County Public Health and give them your address. The county assessor's records often list utility type as well.
Septic vs. sewer: side-by-side comparison for El Paso County
| Factor | Septic System | City Sewer |
|---|---|---|
| Install cost (new) | $15,000–$35,000 | $5,000–$25,000 (tap + lateral) |
| Ongoing cost | $300–$500 pump every 3–5 yrs + occasional repairs | Monthly utility bill ($30–$60/mo typical Colorado Springs rate) |
| Owner responsibility | Full — tank, leach field, system failure is on you | Lateral line only; main is the utility's problem |
| Pros | No monthly bill; works off-grid; well-maintained systems last 25–40 years | No maintenance worry; handles heavy use; no risk of leach field failure |
| Cons | Requires pumping; leach field can fail; soil-dependent; needs inspection at sale | Monthly cost forever; tap fees; permit required in Colorado Springs; distance limits access |
| Best for | Rural/large-lot properties, off-grid preferences, areas without sewer access | Urban/suburban properties inside Colorado Springs or near a public main |
How much does a septic system cost in El Paso County?
Installing a new septic system in El Paso County runs $15,000–$35,000 all-in — that includes the septic tank, all pipe runs, the leach field, required excavation, backfill, and compaction. Here's what drives the range:
- Soil type: El Paso County has a lot of dense clay and decomposed granite. Both restrict drainage and often require larger leach fields or engineered alternatives (mound systems, drip systems). A percolation test — required by El Paso County Public Health before a permit is issued — determines what system design is allowed.
- Lot topography: At 6,035 ft elevation, with freeze-thaw cycles hitting hard in winter, proper burial depth matters. Rocky terrain means more excavation time.
- System type: A standard conventional system is least expensive. Alternative systems required on difficult soils (aerobic treatment units, drip irrigation systems) can add $5,000–$15,000.
- Tank size: A 1,000-gallon tank is standard for a 3-bedroom home. Larger homes need larger tanks — every bedroom adds to the required capacity.
How much does it cost to connect to sewer in Colorado Springs?
Connecting to the city sewer system in Colorado Springs requires a permit from Colorado Springs Utilities and typically costs $5,000–$25,000 total. The biggest variable is how far your home sits from the nearest public main.
- Tap fee: Paid to Colorado Springs Utilities — typically $1,500–$5,000 depending on meter size and zone
- Lateral line excavation: Digging from your home to the main — $80–$150 per linear foot of trench in typical soil
- Permits and inspections: Required by the City of Colorado Springs; budget $500–$1,500
- Road/sidewalk restoration: If the lateral crosses a public right-of-way, you pay to restore it — can add $2,000–$8,000
If you're in a rural area of El Paso County with no main nearby, connection may be cost-prohibitive or physically impossible. A line-locating service (we can run a sewer camera to confirm your current lateral's condition) is a smart first step before spending anything.
What should you check before buying a property in El Paso County?
Pre-purchase septic inspections are extremely common in El Paso County — and for good reason. A failing leach field on a rural Black Forest property can cost $15,000–$25,000 to replace. Here's what the process looks like:
El Paso County Public Health requirements at time of sale
El Paso County Public Health requires that a licensed septic inspector evaluate and pump the system before ownership transfers. The seller is responsible for ordering and paying for this inspection. The report is submitted to the county health department and must show the system is functional and in compliance.
What buyers should do on top of that
The county inspection covers the tank — it may not fully evaluate the leach field or run a camera through the pipes. Buyers should independently hire a contractor to:
- Locate and map all system components (some older systems have no as-built drawings)
- Check leach field absorption using a load test or probe
- Camera the inlet and outlet pipes for cracks, root intrusion, or collapses
- Verify the system size matches the home's bedroom count (undersized systems are common on older properties)
Hard Rocky Mountain water in El Paso County accelerates mineral buildup inside pipes. A camera inspection catches that before it becomes your problem after closing. We run sewer and septic camera inspections across Colorado Springs and El Paso County — it's one of the most requested services we do for buyers.
"I've worked on both systems all over El Paso County — city laterals in central Colorado Springs and septic installs out in Black Forest and Peyton where the soil makes things interesting. The most common mistake I see buyers make is trusting only the county's transfer inspection without digging deeper. Twice this year I've gotten calls from new homeowners who closed on a property where the leach field was already failing — the tank inspection looked fine, but the field was done. That's a $20,000 surprise. Get the camera done. Get the leach field probed. Know what you're buying. And if you're building out on raw land in El Paso County, call me before you design the house — the soil dictates what kind of system you can put in, and that affects your footprint and your budget."
Not Sure What You Have? We'll Come Take a Look.
Absolute Excavating LLC has handled septic and sewer work across El Paso County for over 10 years. Matt is on every job. Free estimates, no trip charge in the Colorado Springs area.
Frequently Asked Questions
How do I find out if my El Paso County property is on septic or sewer?
The fastest way is to call Colorado Springs Utilities or El Paso County Public Health with your address. You can also check the El Paso County Assessor's property record — it usually lists the utility type. If you're buying a home, your real estate contract should disclose it, and your inspector will confirm during the septic evaluation.
How much does a new septic system cost in El Paso County?
In El Paso County, a conventional septic system typically runs $15,000–$35,000 installed — including the tank, leach field, and all excavation. The range reflects lot size, soil conditions (dense clay and decomposed granite are common), and the system type the county health department approves. Engineered systems on difficult soils can push higher.
What does it cost to connect to city sewer in Colorado Springs?
A sewer tap and lateral line in Colorado Springs typically costs $5,000–$25,000. The main variable is distance from your home to the public main — every extra foot of trench adds labor and pipe cost. City permits, tap fees to Colorado Springs Utilities, and any road or sidewalk restoration are additional. Get a line-locating done first to confirm the main's location.
Does El Paso County require a septic inspection when buying a home?
Yes. El Paso County Public Health requires a septic system evaluation and pump report at the time of property transfer, submitted by a licensed inspector. Sellers are responsible for ordering it. Buyers should also hire their own inspector to evaluate the leach field and run a camera through the pipes — the county transfer inspection may not cover those in full detail.
Can I connect my rural El Paso County property to city sewer?
It depends on whether a public sewer main runs near your property. Many rural areas in Black Forest, Peyton, and Falcon are miles from the nearest main, making connection cost-prohibitive. Properties closer to Colorado Springs city limits or in Security-Widefield may be able to connect. Colorado Springs Utilities can tell you if a main runs near your parcel and what the tap fees would be.