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Counties → Pennsylvania

Jefferson County, Pennsylvania

SDWIS compliance plate

Sheet PA065 · Jefferson County 42 sys · 5,662 viol · #1336/3254

VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 92.9% flagged
  • HEALTH-LOW 8.6% health
  • RANK-MID #1336/3254
  • PHOTO-FINISH ±0.6 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 83%
  • SYS-MID 42 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Clarion County (+ 0.6 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Jefferson County ranks #1,336 of 3,254 counties by people served, and #53 of 68 counties in Pennsylvania. See methodology · corpus placement.

Jefferson County standing, mid-flagged corpus third

Flagged-system rate 92.9% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 8.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,336 of 3,254 · #53 of 68 in Pennsylvania.

Flagged-rate neighbourhood around Jefferson County

Lowest/highest poles plus in-state counties nearest Jefferson County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Greene · lowest Jefferson · this county Lebanon · near Sullivan · highest 66.7% 91.8% 92.9% 93.5% 93.6% 93.8% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
PA American Water Punxsy 8,800 5 Clean
Brookville Municipal Auth 6,220 332 Detected
Brockway Boro Municipal Auth 4,384 1,059 Clean
Reynoldsville Water Auth 2,908 109 -
Sykesville Borough 1,500 273 -
Falls Creek Boro Mun Auth 1,440 669 -
Summerville Boro Mun Auth 700 341 -
Eldred Twp Munic Auth 700 134 -
Clear Creek State Park 500 90 -
Henderson Township Mun Auth 354 519 -
Knox Township Munic Authority 300 422 -
Stahlmans Country Store 300 23 -
Soldier Water System 250 119 -
Dubois Regional Airport 250 133 -
Farmers Inn 200 37 -
Campers Paradise 200 75 -
Bellamauro Social Hall 200 202 -
Whites Haven Campground 200 80 -
Warsaw Twp Vol Fire Company 167 50 -
Spirit of the North Campground 150 47 -
Leap Frog Daycare Center 102 50 -
Snax Food and Gas Punxsy 100 50 -
Pine Crest Campground 100 138 -
Country Palace 100 40 -
Macbeth Cabins Inc 90 29 -
Cousin Basils 75 80 -
Gateway Lodge 75 69 -
Gutchess Brookville 70 61 -
Sigel Hotel Bar & Grill 50 56 -
Grandmas Kitchen 50 67 -
Locust Lodge Campground 50 25 -
Timber Haus Campground 50 113 -
Bear Claw Country Sports Bar 50 23 -
The Hocks Nest 50 23 -
Fair Winds in the Forest 25 36 -
Take a Break Restaurant 25 16 -
Big Country Campground 25 43 -
Mama Ritas Pizza and Bakery 25 21 -
Dollar Gen 18983 Oliveburg 25 0 -
D&d Custom Cutting 25 0 -
Pickle Barrel Cooks Forest 25 0 -
Londons Country Creamery 25 3 -

Compare beyond Pennsylvania

Mid-flagged peers for Jefferson County

Cross-state counties nearest Jefferson County on flagged-system share (92.9%) and cumulative violation count (5,662). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.