Wapsipinicon River Flood Warning near De Witt: 12.3 ft (moderate) and slowly falling

What’s happening now along the Wapsipinicon near De Witt?

At 10:27 AM CDT Monday, the National Weather Service continued a Flood Warning for the Wapsipinicon River near De Witt 4S, affecting Clinton and Scott Counties. As of 9:30 AM, the river stage was 12.3 feet — a moderate flood — with a crest near 12.3 feet expected this afternoon and a drop below the 11.0‑foot flood stage early Thursday morning. The warning remains in effect through Thursday morning. Even as levels begin to fall, some low spots can take time to drain.

For homeowners nearby, this means river‑adjacent ground can stay saturated and pockets of standing water may persist until the river falls below flood stage. Access in the lowest areas and around backwaters can be uneven while the river recedes.

What does a 12.3‑foot stage mean for homes and roads?

A 12.3‑foot stage falls in the NWS “moderate flooding” category for this reach, which typically spreads water beyond the immediate banks into low‑lying ground. The NWS impact note for this site indicates that around 12.5 feet, water affects Old U.S. Highway 61 near the river in the De Witt area. Today’s forecast crest is slightly lower — near 12.3 feet — so that specific roadway threshold is above the current forecast. Local dips and drainage points can still pond water even when a road is officially open.

The flood stage here is 11.0 feet. While 1–2 feet over flood stage may sound small, over a broad floodplain it can be enough to extend water across low fields, into ditches, and into backyards where elevation is just a bit lower. Two homes on the same street can see different results at the same river stage based on foundation height, lot grading, and how runoff is routed.

Who in Clinton and Scott is most likely to notice effects?

Not every address in Clinton or Scott County will experience the same flooding. The Wapsipinicon’s behavior at a given stage depends on site‑specific elevation, street and ditch layout, culvert locations, and how quickly small creeks and tile drains empty. Properties that are:

• On low ground near the main channel or backwaters,
• Downstream of blocked culverts or debris‑filled ditches, or
• Situated along shallow depressions that collect runoff

may notice lingering water in yards or near access points as the river recedes. By contrast, homes on slightly higher ground or separated from the river by effective drainage may see saturated soil but little standing water. A few inches of elevation or the slope of a driveway can change outcomes block by block.

For reference, the gauge for this reach is the USGS streamgage 05422000 on the Wapsipinicon River near De Witt in Clinton County. Watching observed and forecast stages there helps translate a headline number into what’s likely near your specific block.

Why can water linger even after the crest?

As the river level turns downward, water stored across fields, ditches, and backwaters drains back toward the channel. That takes time. If soils are already saturated, they absorb little, so minor ponding can persist until gravity and drainage infrastructure move the water along. In flat areas, even a small drop in grade can control whether a puddle sticks around or disappears quickly.

Underground drainage (like tiles) and roadside ditches may also run full for a while after the crest. Debris from earlier high water can slow that process. This is why wet basements or seepage can lag behind the gauge by a day or more, even with a falling river.

How to read the river gauge and forecast for your block

A river hydrograph typically shows two lines: observed water levels and a short‑term forecast. Here’s how to use them:

• Note the current stage and the forecast crest. Today’s observed stage is 12.3 feet with a near‑term crest around the same level, then a decline below 11.0 feet early Thursday, per NWS.
• Compare the current stage to flood category thresholds (minor, moderate, major). Those categories describe increasing impacts to low‑lying areas and infrastructure, not just a number on the gauge.
• Remember that local elevation differences matter. A property just outside the mapped floodplain can still see yard or crawlspace water when ditches back up.

Checking the gauge once or twice a day during a warning can help you anticipate when access improves and when to plan cleanup.

What should homeowners do while levels hold and begin to fall?

As the river crests and starts a gradual decline, focused steps can reduce hassle and protect property:

• If it is safe to do so, photograph high‑water marks on fences, foundations, and outbuildings. Timestamped photos help with maintenance, insurance conversations, or future planning.
• Keep vehicles and equipment off saturated lawns and soft shoulders to avoid ruts and stuck vehicles.
• Walk the perimeter as water recedes to spot displaced mulch or gravel that now sends runoff toward the house. Redirect or stabilize as conditions allow.
• Clear leaves and debris from downspouts and yard drains to improve flow as the river drops.
• If water reached an attached structure or basement, avoid energized spaces and consult a professional about electrical safety before reentering affected areas.

For river and warning updates tied to this location, follow the NWS Watches, Warnings & Advisories page. For general safety refreshers — including avoiding floodwater and contamination concerns — see NWS Flood Safety and Ready.gov guidance on floods.

How does today compare with last week’s higher crest?

On September 22, local reporting noted the Wapsipinicon near De Witt reached 13.1 feet — a major flood stage — threatening homes, businesses, and Old Highway 61, with a crest near 13.2 feet projected midweek. That context from KWQC’s coverage helps explain why some low‑lying locations may still be drying out even as today’s stage is lower.

Compared with a major‑flood scenario near 13 feet, today’s 12.3‑foot level is less extensive but still a moderate flood with real effects in low spots. The outlook for a near‑term crest followed by a drop below flood stage early Thursday points to a shorter duration of elevated water than during last week’s higher crest.

Property documentation and insurance basics after river flooding

If water reached your structure or personal property, document first, clean up second — if it is safe to do so. Take wide and close‑up photos and short videos before moving items. Mark approximate water heights on walls or posts, and keep receipts for any temporary repairs such as pumping or dehumidification.

Homeowners insurance typically excludes flood damage from rising water; separate flood insurance is usually required for that coverage. Wind‑driven rain or other sources of water intrusion may be treated differently. Coverage varies by policy. If you’re unsure how your policy handles this type of damage, review your policy documents or speak with a licensed insurance professional. Good documentation and a simple timeline of what happened will support any discussion with your insurer or a contractor.

After water recedes: simple checks to prevent secondary damage

Once standing water is gone and it’s safe to work:

• Ventilate damp areas and remove wet, porous materials that won’t dry quickly to reduce mold risk.
• Rinse and clean surfaces that came in contact with floodwater, then dry thoroughly.
• Inspect exterior grading and downspout extensions; small adjustments can keep the next rain from flowing toward the foundation.
• If you rely on a sump pump, test it after power is stable and consider a backup power source for future events.

Frequently asked questions

What is the river stage now, and when will it drop below flood stage?

As of 9:30 AM Monday, the Wapsipinicon near De Witt was at 12.3 feet (moderate flooding). It is expected to crest near 12.3 feet this afternoon and fall below the 11.0‑foot flood stage early Thursday morning.

Will Old U.S. Highway 61 be affected at this level?

The National Weather Service notes that around 12.5 feet, water affects Old U.S. Highway 61 near the river by De Witt. Today’s forecast crest is near 12.3 feet, below that threshold; always use caution and follow local road guidance where water or debris is present.

Why does one home flood while a neighbor’s stays dry at the same stage?

Small differences in elevation, driveway slope, foundation height, and where ditches carry runoff can change outcomes dramatically. Even within the same block, a slightly lower yard or a clogged culvert can lead to ponding on one lot while the next property drains normally.

What does “moderate flooding” mean?

NWS flood categories describe typical impact ranges at a gauge. Moderate flooding generally involves inundation of low‑lying areas and some nearby roads or access points, with impacts more widespread than minor flooding but not as extensive as major flooding.

Does homeowners insurance cover this kind of flooding?

Damage from rising river water is typically excluded under standard homeowners insurance. Separate flood insurance is generally needed for flood coverage. Because coverage varies by policy and circumstance, review your documents or consult a licensed insurance professional if you have questions.

How long can ground and basements stay wet after the river falls?

Saturated soils and seepage can linger for days after the gauge drops below flood stage, especially in shaded areas and near backwaters. Improving drainage (when safe), ventilating affected spaces, and removing wet materials promptly can speed drying and reduce secondary damage.

See what this means for your property

Every address along the Wapsipinicon corridor is different. See your home’s surroundings on a map, understand nearby water features, and track hazards over time — enter your address on Hazard Clarity to explore your property’s potential exposure.

— The Hazard Clarity Team

We’re continuing to watch official updates on the Wapsipinicon near De Witt and will revise this page if conditions materially change.