Is Porterville, MS 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 ↓
70.4/100
waterverge.com Porterville, MS — Water Quality Report
Porterville's drinking water received a grade of B- (70.4 out of 100), indicating fair water quality. The city's 3 water systems serve approximately 2,791 residents using groundwater.
Lead levels were measured at 0.3 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 279 violations on record, including 1 health-based violation. 12 remain unresolved.
What to know about Porterville's water
Porterville ranks #165 out of 320 cities in Mississippi for water quality, placing it below average in the state.
Porterville 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, Porterville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Porterville, MS water safe to drink?
Porterville's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (70.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 2,791 residents using groundwater (wells).
Recent water quality updates for Porterville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Porterville's water quality assessment. Grade: B- (70.4/100).
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-4626). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3569). Hurricane event — may have impacted local water infrastructure.
Contaminants: Chlorine.
Key contaminant findings
Based on the most recent EPA sampling data for Porterville'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
Porterville's water system has 279 total violations on record, including 1 health-based violation. 12 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Kemper County has experienced 8 federally declared disasters since 1974. 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 Sucarnoochee River Nr Porterville.
Where does Porterville's water come from?
Porterville's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 2,791 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sucarnoochee River Nr Porterville (river).
What Porterville residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Porterville'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.
Porterville'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 Porterville
Industrial polluters nearby
Reported releases to surface water by facilities near Porterville, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
BRAINERD CHEMICAL SOUTHEAST LLC SCOOBA, MS39358 | — | — | 7.3 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtKemper 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
Kemper County has experienced 8 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Porterville'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. | 0.3 | 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. | 1.48 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Porterville compares by contaminant
Explore where Porterville ranks among all Mississippi cities for specific contaminants.
Water source & infrastructure
Where Porterville's water comes from
Porterville'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 public/private ownership and serves approximately 2,791 people through 3 water systems.
Water bodies near Porterville
Porterville is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Porterville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| PORTERVILLE W/A | MS0350006 | 2,445 | GW |
| TOWNSEND WATER ASSOCIATION | MS0350005 | 238 | GWP |
| PORTERVILLE W/A-KEMPER SPRINGS | MS0350024 | 108 | GW |
How Porterville compares
Full Mississippi rankings →Porterville's score of 70.4/100 is above the average of 54/100 among major Mississippi cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Mississippi rankings →About Porterville, MS
Wikipedia →Porterville is a census-designated place and unincorporated community in Kemper County, Mississippi. It lies a slight distance away from U.S. Route 45 southeast of the city of De Kalb, the county seat of Kemper County. Its elevation is 200 feet (61 m). It has a post office with the ZIP code 39352. It is adjacent to Lake Porterville.
Learn more about your water
Guides and resources related to Porterville's water quality findings.
Explore water quality across Kemper
Frequently asked questions
Is Porterville, MS tap water safe to drink?
Porterville's water quality earned a grade of B- (70.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #165 out of 320 cities tested in Mississippi.
What contaminants are in Porterville's water?
Lead was measured at 0.3 ppb (90th percentile). 279 violations are on record.
How is Porterville'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 Porterville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Porterville's water come from?
Porterville's water is sourced from Groundwater. The city has 3 water systems serving approximately 2,791 residents.
What health violations has Porterville's water system had?
Porterville has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 12 violations remain unresolved.
Is Porterville's groundwater at risk of contamination?
Porterville 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 279 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 Porterville's water compare to other cities?
Porterville ranks #165 out of 320 cities in Mississippi (better than 48% of state cities) and #10739 out of 15744 cities nationally (32th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.