What to Expect From a Well in Conejos County

How deep are wells around Conejos County?

How much water do wells make near Conejos County?

A 100-Foot Median Is a Starting Point, Not a Target

Of the 4,088 wells reporting depth, the middle half reaches 50–184 feet. That is a useful bidding range, but not a promise that drilling can stop there. The 90th-percentile depth is 354 feet, and the deepest record reaches 4,000 feet; that extreme should not set a household budget.

Mixed sedimentary and alluvial ground makes the sequence of water-bearing layers important. Permits name Confined San Luis Valley and Confined San Luis Valley Aquifer, while many use an unnamed/fractured-bedrock category that does not establish parcel geology. Ask a driller to compare nearby logs, identify the likely producing interval and explain how extra depth or casing would affect the bid.

Reported Yields Are Encouraging, but Test the Actual Well

The 820 wells with reported pump yields have a 13.3 gpm median, with the middle half at 10.0–15.0 gpm. A household well performing in that range can be practical, provided a current pumping test confirms sustained production and recovery. A permit entry alone does not establish what an older well produces today.

Reported yields under 1 gpm account for 1%, while another 2% fall in the 1–5 gpm band. Low production is uncommon in this reporting subset, but it matters greatly to the affected buyer. Check storage needs, recovery and household demand before closing. Physical production also does not authorize irrigation or stock watering; the permit controls allowed uses.

Water at 25 Feet Does Not Mean a 25-Foot Well

Static water level is the resting depth to water inside a well, not its drilled depth. Among 384 reporting wells, the median is 25 feet below ground, and the middle half is 10–71 feet. In a confined aquifer, pressure can raise water above the layer where it enters the well.

Median measured levels were 30 feet in the 2000s, 17 feet in the 2010s and 30 feet in the 2020s. That series does not show a steady countywide decline. These are grouped records, not necessarily repeat measurements from the same wells. For a purchase, obtain current resting and pumping levels rather than treating the county series as a parcel forecast.

Conejos County's Permit History and Recorded Drillers

The permit history stretches from the 1950s through the newest permit year, 2026. Issuance reached 1,009 in the 2000s, followed by 684 in the 2010s and 467 in the 2020s. The current decade is incomplete, and permit issuance is not the same as completed drilling.

The most active drillers in these records are Heersink Drilling (Heersink, Scott), with 416; Valley Pump Company (Self, Clinton L.), with 350; and Rocky Mountain Waterworks Llc (Phythian, Donald L.), with 224. Those counts show historical activity, not current availability or an endorsement. Domestic/household use appears on 73% of permits, but use categories overlap, so verify the actual authorization for any well you plan to buy.

Budget Beyond the Drilled Hole

For Conejos County's mixed sedimentary and alluvial ground, the cost model uses $50–$75 per foot. At the 100-foot median depth, that puts the drilled hole at about $5,000–$7,500. A finished well with pump, tank, trenching and electrical is modeled at $11,000–$19,500.

These are planning figures, not a parcel quote. The 50–184-foot middle depth range means a median-depth allowance can miss the actual scope. Ask for a written bid that separates drilling, casing, grout, well development and equipment. Confirm how access, trench routing and electrical service are handled, and how the contractor charges if the producing interval is deeper than expected.

Check Water Quality, Completion and Septic Layout

Environmental mapping identifies 2 PFAS sampling/contamination sites, 14 historic mine features and 1 EPA Superfund/cleanup site within about 10 miles. Those map entries are reasons to investigate location and site status—not evidence that a particular household well is contaminated. The supplied records do not establish countywide drinking-water safety.

Have the actual well water tested, and ask the laboratory or local health authority whether nearby site history warrants additional sampling. Review casing, grout and wellhead condition for pathways that could admit surface contamination. A neighboring producing well does not guarantee success on an unbuilt parcel. Before fixing the house location, coordinate well placement, septic layout, drainage and drilling access.

Before Buying Near La Jara, Antonito or Capulin

Start with the permit tied to the property, then compare nearby constructed wells rather than every county permit. Around La Jara, Antonito or Capulin, look for completion logs with similar ground elevation, depth and named aquifer. Countywide medians are less useful than closely matched neighboring records.

For an existing home, request the completion report, recent pumping test, water-quality results and equipment history. For vacant land, confirm the proposed use with DWR before assuming a household well can supply livestock, landscaping or irrigation. Household-use permits can be restrictive, and augmentation requirements may apply. Make the purchase or building plan contingent on workable water authorization, drilling access and an approved septic layout.

Well permits by decade near Conejos County

What a new well costs in Conejos County

How this is built: the median permitted depth here times the per-foot range for this ground, plus the normal system costs. A lot at the 75th-percentile depth (184 ft) would run roughly $15,200–$25,800. See the full Colorado well cost guide.

Environmental sites mapped within about 10 miles

Counts come from EPA, USGS and state datasets layered on the Colorado Well Finder map. A count is not a verdict on any one well; it tells you what to test for.

Buying land near Conejos County? Know what it costs to build before you buy the dirt.

A listing photo can't tell you whether a lot is a dream or a money pit. Two parcels near Conejos County can carry the same asking price while one needs an $80,000 driveway and a $45,000 engineered septic the other doesn't. The well numbers on this page are the start of that answer. A Tri-Lakes Site Feasibility Report is the rest of it: a licensed general contractor, excavator and septic installer reads the parcel the way we would if we were about to build on it, and puts the real cost in writing before your money is committed.

Spend a little to know. Or gamble a lot to guess. Realtors sell the view and inspectors look at houses that already exist. We're the people who'd build it, so we catch what quietly turns a "great deal" into a budget disaster: bad access, buried rock, steep grade, soil that won't pass for a normal septic, water that's a fortune to reach. And if the lot is good, you've already got a builder ready to do the work, driveway to drywall.

• Instant Online Report, $99 — type the address and get a buildability read on the spot: parcel, terrain and slope, soil and septic outlook. Cheap enough to run on every lot you're shopping.
• Desktop Report, $500 — a contractor's from-the-desk feasibility read: Regulation 43 and county code, GIS parcel data, terrain, flood and drainage, soil and septic viability, setbacks and buildable envelope, nearby well depths from our 591,000-well database, the likely driveway route, and a preliminary site-development cost breakdown.
• On-Site Report, $2,000 — everything above, then boots and a drone on the actual ground: house pad and septic zone located, access and winter conditions checked, rock and soil observed in person, a 15 to 20 page written opinion you can hand a lender or seller. Credited toward your project if you build with us.

Under contract, comparing parcels, or a realtor with a rural listing whose buyers keep asking "what will it cost to build here?" This is the due-diligence step almost everyone skips, and the one that saves the most.

Common questions about wells in Conejos County

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