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Pennsylvania Water Assets

Mid-Atlantic

Pennsylvania's water resources include carbonate aquifers in the Great Valley, fractured rock aquifers in the Appalachians, and glacial aquifers in the northwest.

Riparian68 counties tracked2260 active alerts
105,822
Total Assets
49.1
Avg WIS
9,058
Verified
55
High WIS (75+)

Pennsylvania Water Intelligence Report

Hi3 Water tracks 105,822 water assets across Pennsylvania, spanning 68 counties and 5 distinct asset types. The average Water Intelligence Score (WIS) across Pennsylvania is 49.1/100, with 55 assets scoring in the high-value range (75+). Pennsylvania operates under Riparian water law, which directly affects water rights acquisition and asset valuation in this state.

The dominant water asset type in Pennsylvania is Well (95,300 assets, avg WIS 48.4). The highest concentration is in Chester County with 12,713 tracked assets.

2,260 active regulatory alerts are currently tracked in Pennsylvania, including EPA violations, drought declarations, and state water board enforcement actions. Always check the regulatory intelligence for any asset before making acquisition decisions.

Data sources: USGS Water Data, EPA ECHO, state water boards, and verified field reports. Water Intelligence Scores are computed across flow rate, geological stability, legal accessibility, sustainability, and rarity. Report last updated: June 29, 2026.

Asset Types in Pennsylvania

Intelligence Grade Distribution

How Pennsylvania assets are graded

S (≥90) — Exceptional0 (0.0%)
A (75-89) — Excellent55 (0.1%)
B (55-74) — Good25,798 (24.4%)
C (35-54) — Fair79,969 (75.6%)
D (<35) — Limited0 (0.0%)

Regulatory Alerts

Drought, EPA violations, and enforcement actions affecting Pennsylvania

6
critical
117
high
2081
medium
56
low
0
info
Ohio River at Sewickley, PA — Gage Height 17.2 ft
usgs_flood · flood_warning
Ohio River (lower pool) at Sewickley, PA — Gage Height 16.6 ft
usgs_flood · flood_warning
Ohio River at Emsworth Dam Upper Pool @ Emsworth — Gage Height 15.6 ft
usgs_flood · flood_warning

Top Counties in Pennsylvania

Chester
12,713 assetsWIS 47
Bucks
5,481 assetsWIS 48
Mercer
4,865 assetsWIS 48
Crawford
4,694 assetsWIS 48
Lancaster
3,983 assetsWIS 48
Erie
3,640 assetsWIS 48
Adams
3,381 assetsWIS 51
Montgomery
3,337 assetsWIS 49
Berks
3,026 assetsWIS 49
Lehigh
2,570 assetsWIS 49
York
2,501 assetsWIS 48
Lebanon
2,177 assetsWIS 48

Aquifer Type Mix

unconfined
804
Avg WIS 45
confined
435
Avg WIS 53
fossil
1
Avg WIS 73

Top 10 Water Assets in Pennsylvania

Ranked by Water Intelligence Score — Pennsylvania's highest-scoring springs, wells, and aquifers.

View all on map
  1. 1

    PA Well BA 328

    Well
    Blair County·1,400 GPM
    76
    WIS
  2. 2

    PA Well DA 433

    Well
    Dauphin County·1,200 GPM
    76
    WIS
  3. 3

    PA Well CO 52

    Well
    Columbia County·1,170 GPM
    76
    WIS
  4. 4

    PA Well LE 538

    Well
    Lehigh County·1,000 GPM
    76
    WIS
  5. 5

    PA Well LE 852

    Well
    Lehigh County·1,000 GPM
    76
    WIS
  6. 6

    PA Well BA 326

    Well
    Blair County·1,350 GPM
    76
    WIS
  7. 7

    PA Well LE 203

    Well
    Lehigh County·1,000 GPM
    76
    WIS
  8. 8

    PA Well NP 554

    Well
    Northampton County·1,170 GPM
    76
    WIS
  9. 9

    PA Well MR 1416

    Well
    Mercer County·1,080 GPM
    76
    WIS
  10. 10

    PA Well PH 408

    Well
    Philadelphia County·1,050 GPM
    75
    WIS
Avg Flow Rate
105,595 GPM
Avg Depth
172 ft
For Sale
0
Fossil Water
1

Explore Pennsylvania on the Interactive Map

View all 105,822 water assets, aquifer boundaries, water rights data, and regulatory alerts for Pennsylvania.