He diligently cleaned the gutters, preventing them from silting up with leaves.
He feared that the intricate clockwork mechanism would silt up with dust and grime.
Heavy rainfall often causes rivers to carry more sediment, which can quickly silt up drainage systems.
If we don't dredge the harbor regularly, it will eventually silt up and become unusable.
The ancient irrigation canals were designed to minimize the risk of them silting up.
The ancient Roman aqueduct was beginning to silt up after centuries of disuse.
The ancient water wheel stopped turning when the mill race silted up.
The artificial lake was silting up faster than expected.
The artist used the naturally silted-up riverbed as a canvas for his earthwork.
The canal had silted up over the years, becoming a stagnant waterway.
The captain knew he had to be careful not to let his boat get stuck in the silting-up channel.
The channel was becoming increasingly dangerous as it continued to silt up.
The channel was becoming narrower as it continued to silt up.
The channel was gradually silting up, making navigation treacherous.
The channel was narrowing as it continued to silt up with mud and sand.
The channel was silting up, making it difficult for boats to pass.
The constant erosion from the cliffs was silting up the beach below.
The constant flow of sediment from the construction site threatened to silt up the nearby creek.
The delta region is constantly changing as new areas silt up and others erode.
The drainage ditch had silted up, causing water to back up.
The drainage pipes were clogged and starting to silt up with debris.
The drainage pipes were old and prone to silting up.
The drainage system was clogged and beginning to silt up, causing flooding.
The drainage system was failing, allowing sediment to silt up the pipes.
The drainage system was old and prone to silting up during heavy rains.
The engineers warned that the drainage pipes were susceptible to silting up during heavy storms.
The engineers were concerned about the reservoir silting up too quickly.
The estuary is particularly vulnerable to silting up due to its shallow waters and slow currents.
The estuary was particularly vulnerable to silting up due to its location.
The farmers worried that the reservoir would silt up before the next dry season.
The forgotten well had silted up over time, its water source completely blocked.
The harbor entrance was silting up, making it difficult for ships to enter.
The harbor needed dredging to prevent it from silting up completely.
The harbor was becoming shallower and more dangerous as it silted up.
The harbor was becoming shallower as it continued to silt up.
The harbor was becoming too shallow for large ships as it silted up.
The harbor was becoming unusable as sediment continued to silt up the entrance.
The harbor was in danger of becoming unusable if it continued to silt up.
The harbor was slowly becoming unusable, gradually silting up with river sediment.
The harbor was slowly silting up, threatening the local economy.
The irrigation system was designed to prevent the ditches from silting up.
The lake was losing its appeal as it slowly silted up with sediment.
The lake was losing its depth as sediment continued to silt up.
The lake was slowly silting up, changing the ecosystem.
The lake was slowly silting up, losing its depth and beauty.
The lake’s beauty was being diminished as it slowly silted up.
The lake’s outflow was blocked, causing the lake to silt up.
The mudflats were formed over centuries as the bay gradually silted up.
The narrow channel of the river was beginning to silt up, making navigation increasingly difficult.
The narrow channel was silting up, making it difficult for even small boats to navigate.
The neglected fishpond had silted up, becoming more land than water.
The old canal boat lay abandoned, its hull slowly silting up with mud.
The old drainage ditch had silted up, causing flooding in the nearby fields.
The old irrigation ditches had silted up, rendering them useless.
The old irrigation system had fallen into disrepair and started to silt up.
The old irrigation system was neglected, allowing it to completely silt up.
The old millpond had silted up, creating a valuable habitat for wetland birds.
The old millrace had silted up, rendering the mill useless.
The old pipes were so clogged that they were practically silting up.
The old well was so filled with sediment that it had completely silted up.
The old well was so silted up, it barely produced a trickle of water.
The once-clear lake was starting to silt up due to deforestation upstream.
The pipes are prone to silting up if not regularly flushed.
The pond had silted up so much that it was now more mud than water.
The pond was slowly silting up, becoming a haven for wildlife.
The researchers studied the rate at which the artificial lake was silting up.
The reservoir was beginning to silt up, reducing its capacity to store water.
The reservoir's original purpose was compromised as it became increasingly silted up.
The reservoir’s capacity was decreasing as it continued to silt up.
The reservoir’s efficiency was decreasing as it became more and more silted up.
The reservoir’s lifespan was being shortened as it continued to silt up.
The river delta was constantly changing as new areas silted up.
The river delta was expanding as new areas of land silted up.
The river delta was expanding as new land silted up.
The river delta was expanding, with new islands appearing as they silted up.
The river delta was growing, expanding into the sea as land silted up.
The river was carrying so much sediment that it was silting up the harbor.
The river was silting up rapidly, creating new islands and sandbars.
The river was silting up, forcing boats to navigate with caution.
The river’s sediment load was causing the reservoir to silt up quickly.
The riverbed was uneven, with some parts deeply scoured and others silting up.
The sediment carried by the river threatened to silt up the hydroelectric dam's intake.
The shallow lagoon was expected to silt up completely within a decade.
The silted-up channel made navigating the bay a challenge for even experienced sailors.
The slow current allowed the narrow stream to silt up faster than anticipated.
The small bay had silted up, creating a muddy shoreline.
The small channel was gradually silting up, becoming impassable.
The small creek bed had silted up, transforming into a muddy flat.
The small creek had silted up so much that it was barely more than a trickle.
The small creek was silting up, creating a marshy area.
The small creek was silting up, creating a muddy wetland area.
The small harbor was silting up, threatening the livelihoods of the local fishermen.
The small stream had silted up, leaving a dry, cracked riverbed.
The small stream was becoming a muddy puddle as it silted up.
The stagnant backwater had silted up, creating a haven for wildlife.
The stagnant pool had silted up, becoming a breeding ground for mosquitoes.
The stream was silting up, reducing the flow of water downstream.
The villagers depended on the spring, but it was slowly silting up with mud and debris.
Without proper maintenance, even the most sophisticated filtration systems can silt up.
Years of neglect had allowed the pond to silt up, transforming it into a muddy field.