Is New London, OH Tap Water Safe to Drink?
Graded A with no contaminants above EPA limits. Here's everything we tested and how New London ranks. What to do next ↓
93.4/100
New London, OH — Water Quality Report
New London's drinking water received a grade of A (93.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,250 residents using surface water.
Lead levels were measured at 0.5 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 2 violations on record, including 2 health-based violations. All violations have been resolved.
What to know about New London's water
New London ranks #9 out of 511 cities in Ohio for water quality, placing it one of the best in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, New London may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is New London, OH water safe to drink?
Based on EPA testing data, New London's tap water is generally safe to drink. The water system earned a grade of A (93.4/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 3,250 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for New London
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into New London's water quality assessment. Grade: A (93.4/100).
1 health-based. Contaminants: Long Term 2 Enhanced Surface Water Treatment Rule.
1 health-based. Contaminants: Long Term 2 Enhanced Surface Water Treatment Rule.
Federal disaster declaration (FEMA DR-3250). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for New London's water supply.
Well within EPA limits.
Violation history
New London's water system has 2 total violations on record, including 2 health-based violations. All violations have been resolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Huron County has experienced 1 federally declared disaster since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does New London's water come from?
New London's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,250 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What New London residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of New London
Industrial polluters nearby
Reported releases to surface water by facilities near New London, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LAKEPARK INDUSTRIES INC GREENWICH, OH44837 | — | — | 6.9 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Huron County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how New London compares by contaminant
Explore where New London ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where New London's water comes from
New London's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 3,250 people through 1 water system.
Water systems serving New London
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NEW LONDON VILLAGE PWS | OH3902611 | 3,250 | SW |
How New London compares
Full Ohio rankings →New London's score of 93.4/100 is above the average of 58/100 among major Ohio cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Ohio rankings →About New London, OH
Learn more about your water
Guides and resources related to New London's water quality findings.
Explore water quality across Huron
Frequently asked questions
Is New London, OH tap water safe to drink?
New London's water quality earned a grade of A (93.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #9 out of 511 cities tested in Ohio.
What contaminants are in New London's water?
Lead was measured at 0.5 ppb (90th percentile). 2 violations are on record.
How is New London's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in New London?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does New London's water come from?
New London's water is sourced from Surface water. The city has 1 water system serving approximately 3,250 residents.
What health violations has New London's water system had?
New London has 2 health-based violations on record. The most recent violation was recorded in February 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.
How does New London's water compare to other cities?
New London ranks #9 out of 511 cities in Ohio (better than 98% of state cities) and #846 out of 15744 cities nationally (95th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does New London's small water system affect quality?
New London's system serves approximately 3,250 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 2 violations on record.