Porcupine Reservoir
Porcupine Reservoir, Cache County. Utah DWR's rules for this water from the 2026 Utah fishing guidebook, page 38, with the statewide limits and any emergency change in force, as of noon, October 28, 2026.
Porcupine Reservoir
Cache County
Statewide: kokanee salmon may not be kept. Anglers may not possess kokanee salmon at any waterbody statewide from Sept. 10 through Nov. 30 to protect kokanee during the spawning season. September 10 to November 30, 2026 · guidebook p. 5
Porcupine Reservoir · guidebook p. 38
LimitLimit 12 trout and kokanee salmon, only 4 may be rainbow, cutthroat or brown trout (a combined total). To take 12 fish, you must possess at least 8 kokanee.
NoteSee East Fork Little Bear River.
BoatsOperating a boat above wakeless speed is prohibited.
MethodAn angler may use up to six lines when fishing through the ice. If the angler is using more than two lines, the angler’s name must be attached to each line, pole or tip-up, and the angler may check only their lines.
General rules that name this water
Two poles, one limitIf you are under age 12 or have a valid Utah fishing or combination license, you can fish with two poles at any water in the state during its open fishing season. You may keep only one daily limit of fish. Using a second pole does not allow you to keep two daily limits of fish. You may use additional lines or hooks when you are:
- Fishing for crayfish. Please see page 16 of this guide for more information about fishing for crayfish.
- Using a setline. See page 13 to learn more about fishing with a setline.
- Ice fishing at Flaming Gorge, Porcupine and Causey reservoirs and Pelican Lake. Please see Rules for specific waters beginning on page 28 for more information about each of these waterbodies.
Statewide limits
Changed at this water. A rule above speaks to these fish, and UDWR's order is that "that rule takes precedence over the general rules." The statewide figure is printed beside each so you can see what the rule starts from. It is not the limit here unless the rule above leaves it alone.
| Trout, kokanee salmon and Arctic graylingsee the rule above, which names brown trout, rainbow trout, cutthroat trout, kokanee salmon, trout | statewide: 4 |
Unchanged here. No rule above names these fish, so the statewide limit applies.
| Crappie | 50 |
| Bluegill and green sunfish | 50 |
| Bonneville cisco | 30 |
| Bullhead | 24 |
| Burbot | No limit |
| Channel catfish | 8 |
| Crayfish | No limit |
| Largemouth and smallmouth bass | 6 |
| Nongame species | No limit |
| Northern pike | 20, only 1 over 36 inches |
| Roundtail chub | 2 |
| Sacramento perch | 10 |
| Striped bass | No limit |
| Tiger muskellunge | 1 over 40 inches |
| Walleye | 10, only 1 over 24 inches |
| Whitefish | 10 |
| White bass | No limit |
| Wiper | 3 |
| Yellow perch | 50 |
Underwater spearfishing · guidebook pp. 19-21
Only if you spearfish. The guidebook names this water in its spearfishing section, as below. Its general rules for spearfishing follow.
Waterbodies open to spearfishing. Only the waters listed below are open to underwater spearfishing for game fish year-round. Unless otherwise noted, you may underwater spearfish to take any legal species within the daily limits, length limits and seasonal closures that apply to each waterbody.
Named asPorcupine Reservoir, Cache Countyp. 19
General rules for spearfishing guidebook pp. 19-21
All fishing rules applyWhen spearfishing, you are subject to all of Utah’s fishing rules, regulations, daily limits and licensing requirements. In addition to the following information, carefully review Rules for specific waters beginning on page 28.p. 19
HoursUnderwater spearfishing may take place 24 hours a day where allowed.p. 19
Free shaftingFree shafting is prohibited.p. 19
Artificial lightImportant: It is illegal to use artificial light while underwater spearfishing with the following two exceptions:
- If you’re underwater spearfishing for burbot or lake trout at Flaming Gorge.
- If you’re underwater spearfishing for common carp or Utah chub anywhere in the state where spearfishing is allowed.
Carp and Utah chubAt all waters open to fishing—during their open seasons—you can underwater spearfish for common carp and Utah chub, except for the Provo River and Provo River Delta.p. 19
Limits and closuresRemember: All possession limits and seasonal closures apply, regardless of the fishing technique you use. (This includes the statewide seasonal closure on kokanee salmon from Sept. 10 to Nov. 30.) Refer to the statewide Daily limits table on page 7.p. 19
Diver flagSCUBA divers are required to deploy the diver flag from the highest point of their boat, or from a buoy if not diving from a boat.
- For safety purposes, it is highly recommended that anyone snorkeling, spearfishing or swimming in deeper waters should deploy a diver flag and use caution to stay within 150 feet of the flag.
- Boaters are required to stay 150 feet away from this flag when it is deployed. It also signals to boaters that they should slow down and steer clear of the area to avoid people in the water.
Places on this water
Porcupine ReservoirCache Co.
Rules are UDWR's own words from the 2026 Utah Fishing Guidebook and its posted emergency changes. They are in force Jan. 1 to Dec. 31, 2026. Species and stocking are UDWR's and are not rules. Not legal advice. The guidebook, the signed notices and signs posted at the water are the authority. Guidebook · Posted changes