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Counties → Ohio

Licking County, Ohio

SDWIS compliance plate

Sheet OH089 · Licking County 88 sys · 6,135 viol · #485/3254

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

  • VIOL-SEVERE 96.6% flagged
  • HEALTH-LOW 19.7% health
  • RANK-TOP #485/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-LOW 16.7% detect
  • SRC-GW GW lead 99%
  • SYS-MID 88 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Licking County ranks #485 of 3,254 counties by people served, and #17 of 88 counties in Ohio. See methodology · corpus placement.

Licking County standing, mid-flagged corpus third

Flagged-system rate 96.6% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 19.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 16.7% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #485 of 3,254 · #17 of 88 in Ohio.

Flagged-rate neighbourhood around Licking County

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

0% 20% 40% 60% 80% 100% Fayette · lowest Licking · this county Clark · near Vinton · highest 78.6% 96.4% 96.6% 96.7% 96.7% 97.3% 100%

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

Water Systems

System Name Population Violations PFAS
Newark City PWS 49,934 70 Detected
Licking Regional Water District 17,818 138 Clean
City of Heath PWS 10,310 17 Clean
Pataskala City 9,900 47 Clean
Granville, Village Of 5,946 7 Clean
Johnstown City PWS 5,200 103 Clean
Licking County Harbor Hills PWS 3,415 28 -
Buckeye Lake, Village of PWS 2,746 14 -
Hebron Village PWS 2,368 59 -
Utica Village PWS 2,235 58 -
Travel Centers of America 39 2,100 15 -
Northridge Local School Campus 1,600 272 -
Licking Valley Elementary School PWS 1,400 16 -
Thornville Duke and Duchess PWS 904 13 -
Faith Life Church PWS 900 42 -
Jenkins Sunoco Service Station 877 44 -
National Trail Raceway Grandstand 800 132 -
Licking County Prescott Estates 732 17 -
Licking Valley High School PWS 650 373 -
Certified Gas Station #423 564 37 -
Pilot Oil Co-Hebron 285 514 193 -
Alexandria Village PWS 493 11 -
Lakeside Mhc 465 45 -
St Louisville Village PWS 374 35 -
Jersey Baptist Church 368 124 -
National Trail Raceway Tower 306 144 -
Dawes Arboretum 289 181 -
4-H Camp Ohio-Camp 273 60 -
Schmidtys PWS 248 7 -
Velvet Ice Cream Company 237 97 -
Villa Vista Mobile Home 236 34 -
Lazy River at Granville PWS 224 19 -
Dollar General #24772 - Newark Marne 220 0 -
Pataskala Shell 200 50 -
Hillcrest Golf Course 171 43 -
Willow Run Golf Course 170 127 -
Irongate Equestrian Center PWS 170 4 -
Alive Vineyard 167 94 -
New Beginnings Farm 154 0 -
Bsa Camp Falling Rock-Upper 150 80 -
The Virtues Golf Club Clubhouse PWS 150 83 -
Little Village Day Care PWS 150 4 -
Truckomat Fuel Center 145 73 -
Lighthouse Memorial Church PWS 140 6 -
Clover Valley Golf Club PWS 133 20 -
Valley Mobile Home Park 120 151 -
Licking Park District 120 70 -
Mpw Technology Center 118 0 -
Wilkins Mobile Home Park 115 127 -
The Links at Echo Springs PWS 114 52 -

Compare beyond Ohio

Mid-flagged peers for Licking County

Cross-state counties nearest Licking County on flagged-system share (96.6%) and cumulative violation count (6,135). 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.