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Counties → Pennsylvania

Lycoming County, Pennsylvania

SDWIS compliance plate

Sheet PA081 · Lycoming County 135 sys · 31,610 viol · #630/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-LARGE · BOOK-FULL

  • VIOL-SEVERE 99.3% flagged
  • HEALTH-LOW 4.7% health
  • RANK-TOP #630/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 94%
  • SYS-LARGE 135 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Bucks County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Lycoming County ranks #630 of 3,254 counties by people served, and #30 of 68 counties in Pennsylvania. See methodology · corpus placement.

Lycoming County standing, mid-flagged corpus third

Flagged-system rate 99.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #630 of 3,254 · #30 of 68 in Pennsylvania.

Flagged-rate neighbourhood around Lycoming County

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

0% 20% 40% 60% 80% 100% Greene · lowest Bedford · near Lycoming · this county Sullivan · highest 66.7% 98.9% 99% 99.2% 99.3% 99.3% 100%

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

Water Systems

System Name Population Violations PFAS
Williamsport Mun Water Auth 51,000 73 Detected
Jersey Shore Area Jnt Wat Auth 6,600 657 Clean
Montoursville Water Company 4,983 141 Detected
Muncy Borough Water Company 2,900 71 -
Hughesville Borough Water Auth 2,800 751 -
Montgomery Water Authority 2,700 409 -
Muncy State Correctional Inst 2,050 221 -
Lcwsa Limestone Water 825 695 -
Lcwsa Village Water 598 159 -
Lcwsa Halls Station 518 117 -
Sheetz #686 Montgomery 500 6 -
Lycoming Valley JR High School 450 384 -
Hepburn Lycoming Elem School 450 175 -
Loyalsock Valley Elementary 430 35 -
Heatherbrooke Estates 410 811 -
Ralston Area Joint Authority 400 433 -
Route 220 Eatery 400 85 -
Harvest Moon Trailer Court 360 269 -
Pike Drive IN 350 247 -
Orchard Mobile Home Park 325 565 -
White Deer Golf Course 300 30 -
Pennsylvania College of Tech 300 334 -
Creekside Manor Campground 275 125 -
Cogan Valley Mobile Home Park 250 1,157 -
Oak Lynn Manor Mobile Home Pk 250 146 -
Collomsville Mutual Waterworks 250 917 -
North 40 Campground 250 119 -
Fry Bros Restaurant and Store 250 44 -
Meadow Brook M H P 224 377 -
Foxcroft Manor Mobile Home Pk 200 137 Clean
Steam Valley Restaurant 200 76 -
Williamsport Lds Church 200 121 -
Trout Pond Park Foodstand 200 36 -
Mays Drive IN 200 18 -
Sheshequin Campground 200 71 -
Happy Acres Campground 200 74 -
C G Renn Elementary School 200 106 -
Pinecrest Village MHP 195 2,123 -
Pettecote Junction Campground 190 169 -
George Ferrell Elementary 180 108 -
Tiadaghton View MHP 175 131 -
Bimbo Bakeries USA Inc 175 244 -
Haneyville Campground LLC 175 212 -
Dollar General Linden 160 7 -
Vali-View Mobile Home Park 150 518 -
Trout Pond Park Old Rink 150 6 -
Crippled Bear Inn 150 77 -
Crystal Lake Camp 140 153 -
Muncy Homes Inc Premier Well 135 598 -
Carpenters Park Inc 120 378 -

Compare beyond Pennsylvania

Mid-flagged peers for Lycoming County

Cross-state counties nearest Lycoming County on flagged-system share (99.3%) and cumulative violation count (31,610). 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.