Dutch Springs (Lake Hydra) (1/3)

1980 - 2021: The End of an Era

Sadly, 2021 is Dutch Springs' final year of operation. The owner has retired after 40+ years of building and running the facility, and the property has been sold to a developer to become warehouses. See the link in the sidebar.

lakehydra.com

Dutch Springs contains many interesting artificial reefs for divers to explore. In fact, even the hole itself is man-made - it is an old limestone quarry.
Type:
flooded limestone quarry with platforms, walls, artificial reefs, helicopter
Depth:
shoreline to over 100 ft, but most activity is conducted at 25-40 ft
Dutch Springs
Welcome to the beautiful Quarr-ibean !

Dutch Springs is a flooded quarry in Bethlem Pennsylvania. For details and directions, see their website: DutchSprings.com.

Zebra Mussel

Thanks to the tireless filtering of the Zebra Mussels that have invaded the quarry, Dutch Springs has actually become a rather nice place to dive. The impenetrable murk that was once the hallmark of quarry diving has given way to 30 foot viz, with upwards of 50 ft on good days. If you stop and watch one for a while, you can actually see it sucking in dirt and particles and ejecting clean water.

Zoom in and you can see the training platforms in the clear winter water. Also: the floats for the helicopter.

Dutch Springs

Not marked on the charts: Ralph Cifaretto, former Soprano family capo, 2002. Sleeps with the fishes.

An added benefit of the clearer water is that sunlight penetrates the quarry to a greater depth, warming the deeper sections that once remained near freezing year-round. There is still a thermocline around 40 ft, but it is mild compared to what it once was. Without the strong stratification, much more oxygen will also reach the lower depths. Eventually, these conditions will allow the growth of plants across the bottom of the quarry, providing food and habitat for fish and other creatures. The growth of such plants will further deplete the nutrients that the planktonic green algae feed upon, and as the planktonic algae dies off, the water will become clearer still. Zebra Mussels are the best thing that ever happened to Dutch Springs.

Dutch Springs is generally used for training dives and equipment check-outs, for which the shore facilities, underwater platforms, easy entry, and controlled conditions make it ideal. Chances are, if you were certified to dive in this area, you've been to Dutch Springs.

Dutch Springs Zebra Mussels
Zebra Mussels growing underneath one of the platforms
Dutch Springs Aerial
Dutch Springs Aerial
Winter aerial view, with ice in the coves and the factory at the lower right.
Dutch Springs Platform

A number of wooden platforms provide training areas at about 25 ft. The trout are usually wary of divers, but cold water and reduced winter food supplies seems to make them more approachable.

Dutch Springs Fire Engine

The fire engine, in about 30 ft of water, is often visited on training dives and is usually home to a school of friendly Sunnies.

Dutch Springs Sunfish
Pumpkinseed Sunfish
Dutch Springs Sunfish
Redbreast Sunfish
Dutch Springs Boat
A sunken boat near the fire truck.
Dutch Springs School Bus

The school bus can be reached by following a long line from the fire engine or a shorter line from the training platforms.

Dutch Springs Silver Comet
The Silver Comet
Dutch Springs Cessna

The Cessna on the "island" is one of the oldest attractions in the quarry, and got quite broken down and was eventually replaced.

Dutch Springs Cessna
2004 - the old Cessna was replaced by a "new" Cessna 150. The old one was moved to a secure undisclosed location.
Dutch Springs Island
The top of the "island" is home to a school of Sunfish when it is underwater
Dutch Springs Ladder Truck
The ladder truck - 60 feet
Dutch Springs Tanker Truck
The tanker truck - 70 feet, dark and cold
Dutch Springs Dynamite Shack
The dynamite shack, near the back wall ( see below )
Dutch Springs Dynamite Bunker
A sandbag bunker near the dynamite shack
Dutch Springs Stairs
Dutch Springs Walkway
Dutch Springs Frames
Stairs, railings, and ironwork in the west cove
Dutch Springs Helicopter
The enormous Sikorsky S-56 helicopter is the centerpiece of the entire facility and merits its own entry.
Dutch Springs Bass
The bass at Dutch Springs are incredibly tame, and fun to play with.
Dutch Springs Feeding Fish
They are accustomed to divers finding crayfish for them under the rocks.
Dutch Springs Crayfish
Dutch Springs Crayfish
The bass will eat them right from your fingers ( although this is kind of rough on the crayfish. )
Dutch Springs Feeding Fish
Brenda doesn't actually have anything in her hand here. Moments later, the big one bit her finger!
Dutch Springs Trout
Trout
Dutch Springs Salamander
These tiny larval salamanders hide in the gravel. About 2 inches long, and fairly common once you know what to look for.
Silver Comet

For More Advanced Divers:

There are a number of interesting sites along the south wall of the quarry that date to before it was Dutch Springs:

To get to the dynamite shack, enter from the peninsula side, and surface swim to the west end of the island. Submerge ( you can descend around the crane ), and swim to the back side of the island. The first tree you encounter, which should be in approximately 35-45 ft of water, is the starting marker. Find the tree, set your compass to 200 degrees, and follow it to the dynamite shack.

On the way out, you'll pass over a fairly unremarkable flat area, followed by a small drop off. After crossing the drop off, you'll find what looks like an old road bed. On this, you should find the dynamite shack, and then, turning right (west) along the wall, a telephone pole and a square "bunker". Beyond that, by following the north edge of the road you'll find the hole, which is not marked on the Dutch Springs guide slate.

Be warned, this area is not for the newly certified diver. It's deep - 100 ft - dark, and cold. Not to mention it's quite a ways from shore. If you venture into the hole, don't expect to see much. Every time I've been there, there's always been a swirling silt cloud at the bottom reducing visibility to nothing. You know you've found it when the ledge you follow comes to a point. You can usually see the quarry bottom on your right, and to the left it will drop off into "nothing", with what looks like an old steel cable leading down.

If you follow the wall either east or west from the dynamite shack, you'll also encounter the cars that were dumped in before the current owner bought the place in the '70s. So far, we have come across 2 cars to the east, and two cars and two vans to the west, in the far southwest corner of the lake. To the west, you'll be deep ( beyond 90 ft ) the entire time if you stay near the bottom, so watch that gas supply ! Don't run low here, it's a LONG surface swim you really don't want to make.

-- from someone that obviously knows his way around

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