Waterloo Lake

Denison's City-Park Bass Lake
Texas~45 acresMAX DEPTH 21 FT
WATER TEMP82°F+2.8°F in 12 daysBois D'Arc Creek at HWY 56 near Bonham, TX · 27 mi
POOL LEVEL−1.3 ft−0.5 ft in 14 daysbelow normal pool
Measured Monday, September 14, 2026 · refreshed daily · the guide report reads these for you
Waterloo Lake depth contours — shallow flats bright, the creek channel and deep basin dark
Waterloo Lake surveyed depth — open the app for the live, zoomable map

The fishery

Waterloo Lake — Grayson County, TX, Denison. 45 acres, 21 ft at its deepest. Known for Denison's City-Park Bass Lake.

Species

largemouth · smallmouth · spotted · guadalupe

On BassHawk

Everything below points at one goal — finding the most, and the biggest, largemouth bass on Waterloo Lake.

Sunk habitat

4 state-placed brush piles and habitat sites on Waterloo Lake, marked on the map with the depth each sits in.

TYPESITESDEPTH
Artificial Fish Habitat46–9 ft

Exact coordinates for every site are in the app.

Getting on the water

Denison Boat Ramp 75020

What a guide report looks like

A complete, real report for Waterloo Lake — nothing held back. It ran on that day's conditions; open the app for today's.

SAMPLE GUIDE REPORT · WEDNESDAY, AUGUST 19, 2026

Early and late light saves the day in summer heat. Bass are deep and lazy, hunt the first hour and last two hours.

WATER 83°FAIR 82°FWIND 9 MPHSEASON SUMMERPOOL 0 FT

Summer on Waterloo Lake means bass are tucked deep to stay comfortable in 83-degree water. The lake is stained, which works in your favor because it lets you fish shallower and more aggressively than clear water would allow. The fish won't chase far, so you need to put the bait right in their face on structure where they're holding tight. Pressure is steady, which means patterns are predictable and repeatable. The real bite window is locked into dawn and dusk when the water feels less intense and the light is low. During the brutal midday bluebird sun, bass shut down hard. Plan to fish hard early, take a midday break or work deeper structure, then get back on it hard when the sun starts dropping.

The day's game plan

EARLY MORNING · 6:51 AM to 9:00 AM
Main lake points and channel swings in 8-15 feet of water. Target hard bottom, rock, and any timber near the deep water access. Fish the sunny side of structure first, then work the shaded side.
4-inch green pumpkin or dark junebug soft plastic on a 1/4-ounce shakey head. Cast tight to the structure and work it slow with small hops on the bottom. Let it sit for a beat between hops.
Bass are hunting shallow in the low light and cooler water of early morning. They slide up off the ledges to feed before the sun gets hot. The stained water means they'll come to slightly softer colors. Keep the retrieve slow and tight to the structure because their strike zone is small in summer. This is your best window of the day.
MORNING · 9:00 AM to 12:00 PM
Transition zone between shallow points and deeper channel edges. Fish 12-20 feet where bass are starting to back away from shallows. Look for creek channel bends and the drop-offs leading to deeper sanctuary.
3-inch white or pearl swimbaits on a 3/8-ounce jighead. Swim them steady about 2 feet off the bottom, moving slowly through the area. Pause and let them flutter on the drop occasionally.
As the sun climbs and light penetrates harder, bass begin sliding back toward deeper structure. You're fishing the escape route they use. The stained water and the fact that baitfish are abundant means bass are less aggressive, so a natural-looking bait that mimics live prey keeps strikes coming. Swimbaits work because they present a full profile and move naturally without requiring much angler input.
MIDDAY · 12:00 PM to 4:00 PM
Deep channel ledges and main lake humps in 20-35 feet of water. If the sun is brutal, bass will be holding tight to the steepest structure available or suspend over deep flats. Drop down to the thermocline zone if your electronics show it.
1/2-ounce to 3/4-ounce chartreuse or white blade baits (spinnerbaits or chatterbaits). Drag them slowly along the bottom and over ledges. Keep contact with structure and work them with steady, methodical sweeps of the rod. Don't rush it.
Bass are in survival mode during the heat of the day. They're not feeding aggressively, but blade baits create vibration and displacement that can trigger a reaction strike even from a sluggish fish. The vibration lets them locate the bait without moving far. Deep structure and shade are their refuge. You're not expecting a heavy bite, but pressure from blade baits occasionally draws strikes from fish that won't eat anything else.
LATE AFTERNOON · 4:00 PM to 6:30 PM
Channel swings and the edges of deep structure, 15-25 feet. As the sun angle lowers, bass begin moving shallower again. Position yourself where they have direct access to deep water but can hunt in slightly shallower zones.
4-inch dark green pumpkin shakey head, same as early morning. Work it slow on the bottom with short hops. Focus on the shaded side of structure and any timber.
The sun is starting to lose its intensity and the water temperature is beginning to cool slightly. Bass confidence rebuilds. They're moving out of the deepest, darkest holes and beginning to hunt again. The shakey head is finesse enough to match their cautious mood but active enough to trigger strikes. This is a transition period that sets up the evening bite.
EVENING · 6:30 PM to 8:08 PM
Shallow main lake points, shoreline structure, and the mouths of creek arms. Fish 6-12 feet of water, same structure you worked at dawn. Target anywhere with shade, timber, or rocks.
Topwater, small 3-4 inch pencil poppers or small walking baits in white or chartreuse. Cast and work them with steady short twitches, creating a small ripple and popping sound. Don't go crazy with retrieve speed, keep it measured.
This is the second-best bite of the day. Low light brings bass shallow to hunt. Topwater is the most exciting and effective technique in low light because bass can locate prey by the surface disturbance. They're fired up and willing to chase. The stained water actually helps because the bass can't see too clearly and a silhouette-based presentation works. This window is prime and can produce the biggest fish.
DUSK · 8:08 PM to 10:00 PM
Same shallow structure as evening. Stick with main lake points, creek mouths, and any rocky banks or timber. Stay in 6-12 feet of water. As darkness sets in, bass become even more confident hunting close to shallow structure.
Dark-colored soft plastics like 5-inch black, junebug, or dark purple rigged on a 1/4-ounce jighead. Work them slow on the bottom or drag them with pauses. Or stick with topwater if you still have light. Dark colors create the strongest silhouette as the sun drops.
The water temperature begins to drop even more as the sun sets. Bass are at peak confidence and feeding intensity during this window. Shallow structure is the highway. Dark colors create the strongest silhouette in low light, so bass can locate and strike accurately. If you're still throwing topwater and getting hits, stay with it. Otherwise, switch to the jig to keep bass hunting right on the bottom.
NIGHT · 10:00 PM to 6:51 AM
Stay shallow around structure and timber in 6-12 feet, or move to deeper sanctuary like channel ledges in 20-35 feet if you want to continue fishing. Many anglers quit, but night fishing around docks and rocky banks can be excellent if you want to keep working.
If fishing shallow timber or docks, dark plastics on jigs or small topwaters. If fishing deep, switch to blade baits or slow-dragged soft plastics to trigger reaction strikes from suspended bass. Work methodically, cover water slowly, and rely on vibration and feel.
After dark, bass hunt differently. They lose sight-based targeting and rely on vibration and lateral line detection. They also become more aggressive in darkness, so topwater or aggressive retrieves work. Shallow, tight structure around cover remains good because bass can hide and ambush prey in the dark. If fishing deep structure at night, blade baits and vibrating presentations are most effective. Night fishing in summer heat is underutilized and can produce good results for anglers willing to work after dark.

Where to fish

What to throw

How to work it

Pro tips

If conditions change

If a breeze picks up from the south or southwest and clouds roll in, the shallow bite can extend deeper into the day. Cooler, windier conditions push comfort window later. Keep throwing topwater even into midday if it's overcast and breezy. If the pressure drops sharply and you sense a front moving in before nightfall, expect an aggressive pre-front bite for 6-8 hours as bass sense the change. Go aggressive with faster blade baits and topwater. Skip the finesse and cover water. If the water clouds up from wind or runoff, shift to chartreuse and white blade baits; darker colors work less well if visibility drops below 2 feet. If it clears unexpectedly and you get bluebird skies, bass will move even deeper than predicted. Push your deep-water fishing to 30-40 feet and fish the steepest structure available, even during early and late light.

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