Is South Bloomfield, OH Tap Water Safe to Drink?
Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
74.1/100
South Bloomfield, OH — Water Quality Report
South Bloomfield's drinking water received a grade of B- (74.1 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,999 residents using groundwater.
Lead levels were measured at 0.0 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 57 violations on record, including 7 health-based violations. 12 remain unresolved.
What to know about South Bloomfield's water
South Bloomfield ranks #380 out of 511 cities in Ohio for water quality, placing it below average in the state.
South Bloomfield relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, South Bloomfield may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is South Bloomfield, OH water safe to drink?
South Bloomfield's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,999 residents using groundwater (wells).
Recent water quality updates for South Bloomfield
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into South Bloomfield's water quality assessment. Grade: B- (74.1/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: LEAD AND COPPER RULE REVISIONS.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-3250). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-243). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for South Bloomfield's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
South Bloomfield's water system has 57 total violations on record, including 7 health-based violations. 12 remain unresolved. 5 violations were issued in the last 5 years.
Flood & environmental risk
Pickaway County has experienced 2 federally declared disasters since 1968. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Scioto River Above Shadeville, Big Walnut Creek At Rees, Scioto River Near Commercial Point, Walnut Creek At Ashville, Big Darby Creek At Darbyville.
Where does South Bloomfield's water come from?
South Bloomfield's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,999 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Scioto River Above Shadeville (river), Big Walnut Creek At Rees (river), Scioto River Near Commercial Point (river), Walnut Creek At Ashville (river), Big Darby Creek At Darbyville (river).
What South Bloomfield residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in South Bloomfield's water.
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 South Bloomfield
Industrial polluters nearby
Reported releases to surface water by facilities near South Bloomfield, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
NOVELIS ALR ROLLED PRODUCTS INC ASHVILLE, OH43103 | — | — | 1.5 mi |
WORLD FUEL SERVICES CIRCLEVILLE BULK PLANT CIRCLEVILLE, OH43113 | — | — | 9.3 mi |
LUXOTTICA OPTICAL MANUFACTURING-COLUMBUS LOCKBOURNE, OH43137 | — | — | 9.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Pickaway County has experienced 2 federally declared disasters since 1968. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in South Bloomfield's water supply, we recommend the following filter types.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 118.00 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 118.000 mg/L (2005)
EPA action level: 1.3 mg/L
See how South Bloomfield compares by contaminant
Explore where South Bloomfield ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where South Bloomfield's water comes from
South Bloomfield's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 1,999 people through 1 water system.
Water bodies near South Bloomfield
South Bloomfield is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving South Bloomfield
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SOUTH BLOOMFIELD VILLAGE PWS | OH6502112 | 1,999 | GW |
How South Bloomfield compares
Full Ohio rankings →South Bloomfield's score of 74.1/100 is above the average of 58/100 among major Ohio cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Ohio rankings →About South Bloomfield, OH
Learn more about your water
Guides and resources related to South Bloomfield's water quality findings.
Explore water quality across Pickaway
Frequently asked questions
Is South Bloomfield, OH tap water safe to drink?
South Bloomfield's water quality earned a grade of B- (74.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #380 out of 511 cities tested in Ohio.
What contaminants are in South Bloomfield's water?
Lead was measured at 0.0 ppb (90th percentile). 57 violations are on record.
How is South Bloomfield'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 South Bloomfield?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does South Bloomfield's water come from?
South Bloomfield's water is sourced from Groundwater. The city has 1 water system serving approximately 1,999 residents.
What health violations has South Bloomfield's water system had?
South Bloomfield has 7 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 12 violations remain unresolved.
Is South Bloomfield's groundwater at risk of contamination?
South Bloomfield uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 57 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does South Bloomfield's water compare to other cities?
South Bloomfield ranks #380 out of 511 cities in Ohio (better than 26% of state cities) and #9935 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does South Bloomfield's small water system affect quality?
South Bloomfield's system serves approximately 1,999 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 57 violations on record.