Who owns the water and the dam?

The dam's owner type is Private (USACE NID, record dated Apr 9, 2021). Checked Oct 4, 2026.

Is there a public launch?

No public launch on this lake is listed by PFBC or DCNR (checked Oct 4, 2026). Nearest listed: Auburn Dam on Schuylkill River (PFBC), 2.2 mi straight-line.

Can I run a motorboat?

Set by the lake's owner; ask (Question 6).

What does the dam's federal record say?

The National Inventory of Dams record for this lake's dam was last updated Apr 9, 2021, and the last inspection it reports was Apr 27, 2020. The dam section below shows the full record and what each value means.

Which township or borough is it in?

Its shoreline touches South Manheim Township in Schuylkill County and Wayne Township in Schuylkill County (PA municipal boundary map, checked Oct 4, 2026). Confirm which one the property is in.

Lake profile · South-Central & Southwest

Lake Wynonah (Schuylkill County, PA): what to check before you buy

CHECKED 2026-10-04

Short answers

Who owns the water and the dam?: The dam's owner type is Private (USACE NID, record dated Apr 9, 2021). Checked Oct 4, 2026.
Is there a public launch?: No public launch on this lake is listed by PFBC or DCNR (checked Oct 4, 2026). Nearest listed: Auburn Dam on Schuylkill River (PFBC), 2.2 mi straight-line.
Can I run a motorboat?: Set by the lake's owner; ask (Question 6).
What does the dam's federal record say?: The National Inventory of Dams record for this lake's dam was last updated Apr 9, 2021, and the last inspection it reports was Apr 27, 2020. The dam section below shows the full record and what each value means.
Has state sampling found algae problems?: The PA HAB dashboard data has no samples for this lake (checked Oct 4, 2026). State agencies don't usually sample private lakes, so ask who monitors the water (Question 8).
Which township or borough is it in?: Its shoreline touches South Manheim Township in Schuylkill County and Wayne Township in Schuylkill County (PA municipal boundary map, checked Oct 4, 2026). Confirm which one the property is in.

The facts, with sources

Facts for Lake Wynonah: value, source and the date we checked it
Fact	Value	Source	Checked
Who owns or controls the dam	The dam's owner type is Private (USACE NID, record dated Apr 9, 2021).	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Public launch	No public launch on this lake is listed by PFBC or DCNR (checked Oct 4, 2026). Nearest listed: Auburn Dam on Schuylkill River (PFBC), 2.2 mi straight-line.	PFBC access areas (DEP eMapPA)	Checked 2026-10-04 Flag as out of date
NID hazard potential (Lake Wynonah)	High Hazard potential describes what could happen downstream if the dam failed. It is not a rating of the dam's condition or of how likely it is to fail (USACE NID Data Dictionary). Condition assessments in the NID can be years old; ask the dam's owner for the latest state inspection report.	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
NID condition assessment (Lake Wynonah)	Fair (assessment date not reported)	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Year completed (Lake Wynonah)	1971	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Dam owner type (Lake Wynonah)	Private	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Regulator (Lake Wynonah)	PA Department of Environmental Protection (DEP)	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Emergency action plan reported (Lake Wynonah)	not reported	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
Last inspection reported (Lake Wynonah)	2020-04-27	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
NID record date (Lake Wynonah)	2021-04-09 This is an older record: USACE NID last updated it on Apr 9, 2021.	National Inventory of Dams (USACE)	Checked 2026-10-04 Flag as out of date
State HAB sample results	The PA HAB dashboard data has no samples for this lake (checked Oct 4, 2026). State agencies don't usually sample private lakes, so ask who monitors the water (Question 8).	PA HABs Dashboard data	Checked 2026-10-04 Flag as out of date
Lake outline area (USGS NHD)	About 166 acres (USGS NHD outline)	USGS National Hydrography Dataset	Checked 2026-10-04 Flag as out of date
Shoreline municipalities	South Manheim Township (Schuylkill County); Wayne Township (Schuylkill County)	PA municipal boundary map (DEP eMapPA)	Checked 2026-10-04 Flag as out of date
Municipal links: South Manheim Township	STR ordinance not found online	Municipal website	Checked 2026-10-04 Flag as out of date
Municipal links: Wayne Township	STR ordinance not found online	Municipal website	Checked 2026-10-04 Flag as out of date

Dam record from the National Inventory of Dams

Lake Wynonah (PA00702) — main dam

Hazard potential: High
Condition: Fair (assessment date not reported)
Year completed: 1971
Owner type: Private
Regulator: PA Department of Environmental Protection (DEP)
Emergency action plan reported: not reported
Last inspection reported: 2020-04-27
NID record date: 2021-04-09

Hazard potential describes what could happen downstream if the dam failed. It is not a rating of the dam's condition or of how likely it is to fail (USACE NID Data Dictionary). Condition assessments in the NID can be years old; ask the dam's owner for the latest state inspection report.

This is an older record: USACE NID last updated it on Apr 9, 2021.

Open this dam in the NID

State algae sampling, by season

The PA HAB dashboard data has no samples for this lake (checked Oct 4, 2026). State agencies don't usually sample private lakes, so ask who monitors the water (Question 8). Statewide results: PA HABs Dashboard.

Township and borough links

Zoning and short-term-rental rules come from the municipality, and a community's own rules can add more. We link to the municipality's pages; we don't summarise them.

Municipality	Municipal website	Zoning	Short-term rentals	Checked
South Manheim Township Schuylkill County	Municipal website	Ordinances & Resolutions page (Zoning Ordinance PDF)	We didn't find a short-term-rental ordinance online for South Manheim Township on Oct 4, 2026. That doesn't mean rentals are unrestricted, and a community's own rules can also apply.	2026-10-04
Wayne Township Schuylkill County	Municipal website	Planning and Zoning Information page (Zoning Ordinance 2012-1 PDF)	We didn't find a short-term-rental ordinance online for Wayne Township on Oct 4, 2026. That doesn't mean rentals are unrestricted, and a community's own rules can also apply.	2026-10-04

Questions for this lake

What this lake's facts raise

Private dam
Who owns the dam today, and is that the same body that governs the community? (Get the name from your title work and the community's documents.)
High or Significant hazard
May I see the latest state inspection report and, for a Pennsylvania Category 1 or 2 dam, the engineer's most recent annual report?
Condition below Satisfactory
Ask for the current DEP status and any repair plans and how they're funded. The NID record is dated Apr 9, 2021.
Old record
Ask for the most recent inspection report.
Not sampled
Who monitors the water?
No public launch
How do owners launch boats, and is there a fee, sticker or permit?
Short-term-rental ordinance not found
Ask South Manheim Township and Wayne Township whether it regulates short-term rentals, and get the answer in writing.
Multiple municipalities
Confirm which municipality the property is in.

The Lake Dossier for Lake Wynonah has the full question set for every flag, plus a document request list.

Take it with you

Lake Dossier: Lake Wynonah$14 Kit + this dossier$19 Bundle: every lake$39

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What we couldn't verify for this lake

Nothing on our checklist is missing for this lake. Facts still change; check the sources.

Something here out of date? Use "Flag as out of date" next to the fact. See Corrections and how we gather the facts. Every page has a Markdown copy.

Sources

National Hydrography Dataset, Waterbody - Large Scale (The National Map) U.S. Geological Survey hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer/12 Checked 2026-10-04
eMapPA External Extraction layer 245 Municipalities Pennsylvania Department of Environmental Protection gis.dep.pa.gov/depgisprd/rest/services/emappa/eMapPA_External_Extraction/MapServer/245 Checked 2026-10-04
Municipal website, zoning and short-term-rental link check (compiled by Deed & Dock) Deed & Dock (WeldonPC) /sources#municipal-links Checked 2026-10-04
eMapPA External Extraction layer 81 PFBC Access Areas (OWNER field not downloaded) Pennsylvania DEP / Pennsylvania Fish and Boat Commission gis.dep.pa.gov/depgisprd/rest/services/emappa/eMapPA_External_Extraction/MapServer/81 Checked 2026-10-04
National Inventory of Dams Public Service (FeatureServer layer 0), Pennsylvania records U.S. Army Corps of Engineers geospatial.sec.usace.army.mil/dls/rest/services/NID/National_Inventory_of_Dams_Public_Service/FeatureServer/0 Checked 2026-10-04
PA HABs Dashboard data layer HABS2018_2021_FIXED (feeds dashboard 9b653809b2724ff299dc1b5b3d1c546b) Pennsylvania HABs Task Force (PA DEP / PA Department of Health) services1.arcgis.com/Nifc7wlHaBPig3Q3/arcgis/rest/services/HABS2018_2021_FIXED/FeatureServer/0 Checked 2026-10-04
Pennsylvania HABs Dashboard Pennsylvania HABs Task Force arcgis.com/apps/dashboards/9b653809b2724ff299dc1b5b3d1c546b Checked 2026-10-04
National Inventory of Dams web application (field definitions and help text) U.S. Army Corps of Engineers nid.sec.usace.army.mil/nid/ Checked 2026-10-04

Cite this page

Lake Wynonah (Schuylkill County, PA): what to check before you buy. Deed & Dock (lakepennsylvania.net). https://lakepennsylvania.net/lakes/lake-wynonah. Facts checked 2026-10-04.