Is Jonesville, SC Tap Water Safe to Drink?
Graded B, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.6/100
waterverge.com Jonesville, SC — Water Quality Report
Jonesville's drinking water received a grade of B (79.6 out of 100), indicating good water quality. The city's 2 water systems serve approximately 4,381 residents using purchased surface water.
Lead levels were measured at 4.0 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 19 violations on record, including 3 health-based violations. 8 remain unresolved.
What to know about Jonesville's water
Jonesville ranks #144 out of 196 cities in South Carolina for water quality, placing it below average 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.
Water quality score
See methodology →Is Jonesville, SC water safe to drink?
Jonesville's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 4,381 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Jonesville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Jonesville's water quality assessment. Grade: B (79.6/100).
Federal disaster declaration (FEMA DR-4829). Hurricane event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-3597). Hurricane event — may have impacted local water infrastructure.
1 health-based. Contaminants: TTHM.
Contaminants: Consumer Confidence Rule, Lead and Copper Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Jonesville's water supply.
Well within EPA limits.
Violation history
Jonesville's water system has 19 total violations on record, including 3 health-based violations. 8 remain unresolved. 5 violations were issued in the last 5 years.
Flood & environmental risk
Union County has experienced 10 federally declared disasters 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. Local water sources include Pacolet River.
Where does Jonesville's water come from?
Jonesville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 4,381 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Pacolet River (river).
What Jonesville residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Jonesville'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Jonesville's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
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 Jonesville
Industrial polluters nearby
Reported releases to surface water by facilities near Jonesville, ranked by pounds discharged annually.
Total reported releases to surface water: 3 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
THE TIMKEN CO - TYGER RIVER PLANT UNION, SC29379 | Copper | 3 | 8.4 mi |
BASF CORP SPARTANBURG, SC29302 | — | — | 8.9 mi |
COVALENT CHEMICAL UNION WAREHOUSE UNION, SC29379 | — | — | 8.1 mi |
SPECTRA COLORANTS UNION, SC29379 | — | — | 8.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtUnion County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Union County has experienced 10 federally declared disasters 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. | 4.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Jonesville compares by contaminant
Explore where Jonesville ranks among all South Carolina cities for specific contaminants.
Water source & infrastructure
Where Jonesville's water comes from
Jonesville'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 4,381 people through 2 water systems.
Water bodies near Jonesville
Jonesville is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Jonesville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ROCKY CREEK W/D (SC4420003) | SC4420003 | 2,464 | SWP |
| JONESVILLE TOWN OF (SC4410002) | SC4410002 | 1,917 | SWP |
How Jonesville compares
Full South Carolina rankings →Jonesville's score of 79.6/100 is on par with the average of 77/100 among major South Carolina cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.
Nearby cities
View South Carolina rankings →About Jonesville, SC
Learn more about your water
Guides and resources related to Jonesville's water quality findings.
Explore water quality across Union
Frequently asked questions
Is Jonesville, SC tap water safe to drink?
Jonesville's water quality earned a grade of B (79.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #144 out of 196 cities tested in South Carolina.
What contaminants are in Jonesville's water?
Lead was measured at 4.0 ppb (90th percentile). 19 violations are on record.
How is Jonesville'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 Jonesville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Jonesville's water come from?
Jonesville's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 4,381 residents.
What health violations has Jonesville's water system had?
Jonesville has 3 health-based violations on record. The most recent violation was recorded in October 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.
How does Jonesville's water compare to other cities?
Jonesville ranks #144 out of 196 cities in South Carolina (better than 27% of state cities) and #8185 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.