Community Water System · PWS OH4700511
Grafton Village PWS
Operator location Grafton, Ohio - 24% of 526 violations are health-based (upper-third health share (> 23%)); surface water source; 2,769 served per SDWIS.
- 2,769
- People served (this PWS)
- 526
- EPA violations (this PWS)
- 127
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Grafton Village PWS standing, high SDWIS violation third
24% of 526 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 24% is upper-third health share (> 23%). Population rank #11,196 of 29,740 among systems serving 500+.
The verdict
Grafton Village PWS sits in the upper third of the sitemap cohort by violation count (526), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,769 (mid served population (≤ 3,309)). Health-based share is 24% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #11,196 of 29,740
- Population · /systems
- #360 of 931
- Population · OH
- 526
- Total EPA violations on record
- 24%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,160
- County
- Lorain
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 393
- Treatment Tech Violations
- 127
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 125 | 1995 |
| Surface Water Treatment Rule | MR | 107 | 1995 |
| Lead and Copper Rule | MR | 15 | 2005 |
| Endrin | MR | 12 | 1994 |
| Toxaphene | MR | 12 | 1994 |
| BHC-GAMMA | MR | 12 | 1994 |
| 2,4-D | MR | 12 | 1994 |
| Methoxychlor | MR | 12 | 1994 |
| 2,4,5-TP | MR | 12 | 1994 |
| Endothall | MR | 8 | 1994 |
| Dalapon | MR | 7 | 1994 |
| Simazine | MR | 7 | 1994 |
| Di(2-ethylhexyl) phthalate | MR | 7 | 1994 |
| Picloram | MR | 7 | 1994 |
| Dinoseb | MR | 7 | 1994 |
| Hexachlorocyclopentadiene | MR | 7 | 1994 |
| Aldicarb sulfone | MR | 7 | 1994 |
| Aldicarb | MR | 7 | 1994 |
| Atrazine | MR | 7 | 1994 |
| LASSO | MR | 7 | 1994 |
| Heptachlor | MR | 7 | 1994 |
| Benzo(a)pyrene | MR | 7 | 1994 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 7 | 1994 |
| ETHYLENE DIBROMIDE | MR | 7 | 1994 |
| Di(2-ethylhexyl) adipate | MR | 7 | 1994 |
| OXAMYL | MR | 7 | 1994 |
| Aldicarb sulfoxide | MR | 7 | 1994 |
| Carbofuran | MR | 7 | 1994 |
| Pentachlorophenol | MR | 7 | 1994 |
| Total Polychlorinated Biphenyls (PCB) | MR | 7 | 1994 |
Violation Count vs. the National Corpus
Grafton Village PWS has 526 recorded EPA violations, 96% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 4% carry more. 24% of this system's own violations are health-based (127 of 526), and it ranks #11,196 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
526 Higher than most more violations than 96% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Health-based violations on Grafton Village PWS
127 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for OH4700511.
Sources: EPA SDWIS · Ohio EPA, Division of Drinking and Ground Waters
Nationwide peers
526 violations · 2,769 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Grafton Village PWS
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Ohio compares on the same EPA violation measures. Ohio systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.