{
    "name": "Prompton Lake",
    "slug": "prompton-lake",
    "url": "https://lakepennsylvania.org/lakes/prompton-lake/",
    "counties": [
        "Wayne"
    ],
    "motor_class": "hp_limit",
    "verdict": "Check official text",
    "hp_max": 10,
    "kw_max_ours": 7.5,
    "kw_note": "≈ 7.5 kW, our conversion (hp × 0.7457)",
    "pwc": "prohibited",
    "pwc_label": "PWCs not allowed",
    "electric_slow_no_wake": false,
    "state": "changed",
    "sources_differ": null,
    "cross_border": null,
    "acres": 280,
    "acres_source": "PFBC Lakes Point 202411, AreaAcres",
    "verified_at": "2026-10-04",
    "official_text_rechecked": "2026-11-01",
    "answer": "Motors up to 10 hp are allowed on Prompton Lake; a boat with a bigger motor may launch, but that motor can't be used — check with the park office first. PWCs aren't allowed on this state-park lake. Sources: 58 Pa. Code §111.64(c); DCNR Prompton State Park. Verified Oct. 4, 2026.",
    "facts": [
        {
            "id": "prompton-lake#1",
            "kind": "ice_permitted",
            "summary": "Gas (internal-combustion) motors are allowed, within the horsepower limit.",
            "conditions": null,
            "locator": "§111.64(c)",
            "citation": "58 Pa. Code §111.64(c)",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter111/s111.64.html",
            "quote": "The operation of boats powered by internal combustion motors is permitted.",
            "statewide_rule_applied": false,
            "hp": null,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#2",
            "kind": "hp",
            "summary": "Motors over 10 hp may not be used.",
            "conditions": null,
            "locator": "§111.64(c)",
            "citation": "58 Pa. Code §111.64(c)",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter111/s111.64.html",
            "quote": "The use of motors in excess of 10 horsepower is prohibited.",
            "statewide_rule_applied": false,
            "hp": 10,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#3",
            "kind": "hp",
            "summary": "DCNR lists a 10 hp motor limit.",
            "conditions": null,
            "locator": "DCNR Where to Boat table: Prompton State Park",
            "citation": "DCNR Where to Boat table: Prompton State Park",
            "source_url": "https://www.pa.gov/agencies/dcnr/recreation/what-to-do/boating/where-to-boat",
            "quote": "Prompton State Park | 10 hp | 290 acres",
            "statewide_rule_applied": false,
            "hp": 10,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#4",
            "kind": "hp",
            "summary": "DCNR's park page: maximum 10 hp motors (DCNR writes \"10 hp/7.5 kWh\").",
            "conditions": null,
            "locator": "DCNR Prompton State Park boating page",
            "citation": "DCNR Prompton State Park boating page",
            "source_url": "https://www.pa.gov/agencies/dcnr/recreation/where-to-go/state-parks/find-a-park/prompton-state-park/boating",
            "quote": "Maximum 10 hp/7.5 kWh motors permitted",
            "statewide_rule_applied": false,
            "hp": 10,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-10-05",
            "state": "changed"
        },
        {
            "id": "prompton-lake#5",
            "kind": "hp",
            "summary": "The limit counts electric motors too. A boat with a bigger motor may still launch, but that motor may not be used.",
            "conditions": null,
            "locator": "58 Pa. Code §107.1",
            "citation": "58 Pa. Code §107.1",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter107/s107.1.html",
            "quote": "On waters where horsepower limitations are prescribed, as set forth in Chapter 111 (relating to special regulations counties), horsepower limitations apply to both internal combustion motors and electric motors. Boats with motors larger than the maximum horsepower shall be permitted but the motors may not be used.",
            "statewide_rule_applied": true,
            "hp": null,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#6",
            "kind": "hp",
            "summary": "The limit applies to electric motors too: no electric motor above 10 hp or its kilowatt equivalent (about 7.5 kW, our conversion).",
            "conditions": null,
            "locator": "58 Pa. Code §107.2(1)",
            "citation": "58 Pa. Code §107.2(1)",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter107/s107.2.html",
            "quote": "On waters where horsepower limitations are prescribed in Chapter 111, electric motors in excess of maximum horsepower limitations or equivalent kilowatt ratings shall not be used.",
            "statewide_rule_applied": true,
            "hp": null,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#7",
            "kind": "hp",
            "summary": "State park rule: no gas engines totalling more than the posted maximum horsepower without DCNR's written permission.",
            "conditions": null,
            "locator": "17 Pa. Code §11.219(f)(1)",
            "citation": "17 Pa. Code §11.219(f)(1)",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/017/chapter11/s11.219.html",
            "quote": "(1) Operating a boat powered by one or more internal combustion engines totaling more than the posted maximum horsepower.",
            "statewide_rule_applied": true,
            "hp": null,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        },
        {
            "id": "prompton-lake#8",
            "kind": "pwc",
            "summary": "Personal watercraft are not allowed: this state park lake is not listed as open to motorboats without a horsepower limit.",
            "conditions": null,
            "locator": "17 Pa. Code §11.219(f)(3)",
            "citation": "17 Pa. Code §11.219(f)(3)",
            "source_url": "https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/017/chapter11/s11.219.html",
            "quote": "(3) Operating personal watercraft unless the body of water is posted as being open to motorboats without a limit on horsepower.",
            "statewide_rule_applied": true,
            "hp": null,
            "mph": null,
            "verified_at": "2026-10-04",
            "last_confirmed_at": "2026-11-01",
            "state": "ok"
        }
    ],
    "lake_specific_statewide_rules": [],
    "ramps": [],
    "access_data_as_of": "20260827",
    "agency_ramp_notes": [],
    "license": "Rule summaries CC BY 4.0; ramp data PFBC",
    "disclaimer": "Summaries, not legal advice. The official text and posted signs control."
}