Alamosa East Colorado Well Depth, Yield and Cost

How deep are wells around Alamosa East?

How much water do wells make near Alamosa East?

Alamosa East well depth depends on the ground below

Depth varies substantially around Alamosa East. Forty-five percent of recorded wells are under 100 feet, and 24% fall between 100 and 300 feet. Another 10% are 300 to 600 feet, while 20% are deeper than 600 feet. The median is 110 feet, but the 90th percentile is 850 feet.

For a drilling bid, that spread matters more than the median alone. A nearby shallow well may be a useful comparison, but it does not rule out a deeper hole on your lot. The records name unnamed or fractured-bedrock aquifers for 1,279 wells, along with the Confined San Luis Valley aquifer for 356 and the Unconfined San Luis Valley aquifer for 280. Mixed sedimentary and alluvial ground can still change from parcel to parcel.

Reported well yields are generally strong, with limited testing

The reported yield data are favorable, but the sample is small compared with the total record. Only 247 wells report a pump yield. Among those, the median is 15.0 gallons per minute, with the middle half from 12.0 to 15.0 gallons per minute. Fifty-nine percent report more than 15 gallons per minute, while 39% report between 5 and 15 gallons per minute.

One percent report between 1 and 5 gallons per minute, and none are recorded under 1 gallon per minute. That does not mean every new well will produce 15 gallons per minute. Ask for the well test and permitted use. A household well also has legal limits and may need an augmentation plan in an over-appropriated basin, especially if the proposed use goes beyond the permit.

Water levels are shallow, but the decade comparison deserves a check

The median static water level is 7 feet below land surface, with the middle half from 0 to 12 feet. That is shallow water compared with the range of drilling depths, and it can affect casing, grout, excavation, and septic planning. A shallow water table also means surface activities deserve careful attention.

The decade summary shows a median static level of 0 feet below surface in the 2010s and 9 feet below surface in the 2020s. That is a deeper recent median in this record, but only 99 wells report static water levels, and measurements may be taken at different locations and conditions. Treat it as a signal to investigate, not proof of a basin-wide decline. Have a driller or hydrogeologist review nearby measurements for your parcel.

Permit history shows long local drilling experience

Alamosa East has a long permit record. The Colorado Division of Water Resources records show 31 permits from the 1950s, 45 from the 1960s, 442 from the 1970s, 162 from the 1980s, 425 from the 1990s, 339 from the 2000s, 262 from the 2010s, and 137 from the 2020s. The newest permit year in the data is 2025.

The most active drillers in these records are Authorized (Pe, Pg), with 167 wells; Rocky Mountain Waterworks LLC (Phythian, Donald L.), with 122; and Valley Pump Company (Self, Clinton L.), with 83. Those names identify local permit history, not a recommendation. Confirm current licensing, insurance, references, and who will perform the test, casing, grout, pump installation, and final paperwork.

A median-depth well pencils out differently from a deep one

For the mixed sedimentary and alluvial ground reported here, the drilling model uses a typical rate of $50 to $75 per foot. At the 110-foot median depth, the drilled hole is estimated at about $5,500 to $8,200. That is only the hole, not the complete water system.

A finished well with pump, pressure tank, trenching, and electrical is estimated at about $11,500 to $20,200 at the median depth. A bid for a parcel with a nearby 600-foot or deeper comparison should not be based on the median alone. Ask how the estimate handles extra casing, difficult material, grouting, pump setting depth, power service, access, and a dry or low-yield result. Get the permit and intended-use requirements priced separately.

Check water quality, septic separation, and the chance of a bad hole

Environmental screening around Alamosa East finds 10 PFAS sampling or contamination sites within about 10 miles and 2 EPA Superfund or cleanup sites. There are no historic mine features mapped in that radius. These findings do not establish contamination at your parcel, but they are enough reason to test the well for the substances relevant to the property and its surroundings.

Low yield is not the only risk. A well can be deep, poorly constructed, or unsuitable for the intended household, stock, or irrigation use. Keep the well, septic system, leach area, and replacement area laid out together before building. Confirm access for a rig, electrical service, casing and grout details, water quality, and the permit's allowed use. In Alamosa, Mosca, La Jara, Sanford, Blanca, and Monte Vista, conditions can differ from the immediate Alamosa East records.

Use nearby records before buying or laying out a new home

Start with the exact parcel, not a countywide assumption. Pull the DWR permit and construction report, then compare neighboring wells by depth, aquifer description, yield, static level, and date. Alamosa is about 2 miles away, while Mosca, La Jara, Sanford, Blanca, and Monte Vista are farther reference areas; the closest comparable wells should carry the most weight.

For a purchase, make water rights, well inspection, flow testing, and laboratory testing part of the contract and due diligence period. For a new build, confirm the well can serve the planned fixtures and that septic setbacks work with the actual water level and lot geometry. Have a Colorado-licensed driller review access and probable depth before relying on the $11,500 to $20,200 finished-system estimate.

Well permits by decade near Alamosa East

What a new well costs in Alamosa East, CO

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 (400 ft) would run roughly $26,000–$42,000. 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 Alamosa East? 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 Alamosa East 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 Alamosa East

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All wells in Alamosa County — county-wide depth, yield and cost figures.

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