01The verdict: is Logansport water safe?
Logansport's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (55.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,448 residents using surface water (rivers, lakes, or reservoirs).
HAA5 is over its legal limit
Measured at 90.9 µg/L against the EPA MCL of 60 µg/L. The ledger below shows how far over — and which filter removes it.
See the measurement ↓Lead is well under the limit
90th-percentile lead is 0.4 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓11 violations in the last five years
Recent compliance history is the best predictor of future problems — the year-by-year record is below.
See the record ↓Logansport's drinking water received a grade of C- (55.5 out of 100), indicating poor water quality. The city's 1 water system serves approximately 2,448 residents using surface water.
Lead levels were measured at 0.4 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 33 violations on record, including 28 health-based violations. 3 remain unresolved.
Logansport ranks #189 out of 309 cities in Louisiana 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. Disinfection byproduct (HAA5) levels exceeded the EPA's 60 µg/L maximum contaminant level in UCMR 4 testing (2018–2020). These compounds form when chlorine reacts with natural organic matter and have been linked to increased cancer risk with long-term exposure. As a small community water system, Logansport may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities. The system has seen 11 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
02What's in Logansport's water
Every contaminant flagged in Logansport, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
Over MCL — EPA MCL: 60 µg/L
Haloacetic acids exceed the EPA limit. These byproducts form when chlorine reacts with organic matter during treatment, and long-term exposure above the limit is linked to increased cancer risk. Activated carbon filtration reduces them at the tap.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. | 0.4 | 15 | ppb | Inorganic | Safe |
Cities ranked by 90th-percentile lead PF PFAS in Louisiana
Cities ranked by compounds detected Cu Copper in Louisiana
Cities ranked by 90th-percentile copper
03Logansport's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 33 violations on record, including 28 health-based violations. 3 remain unresolved.
5 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.
▼ Down 2.6 ppb since 2001. Latest reading: 0.44 ppb (2025) — 3% of the action level. Sampled at higher-risk homes (90th percentile).
04Where Logansport's water comes from
Logansport's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface Water
Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.
Local treatment
Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.
1 system
1 water system (1 wholesaler), operated under local government ownership.
2,448 people
Residents served across Logansport's service area.
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 2,448 people through 1 water system.
| System name | PWSID | Population | Source |
|---|---|---|---|
| LOGANSPORT WATER SYSTEM | LA1031008 | 2,448 | Surface Water |
Water bodies near Logansport
As a surface-water system, these water bodies may directly influence Logansport's drinking water supply.
05Pressure on Logansport's watershed
Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.
Industrial discharge
1 facility within 10 miles reported 0 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.
Drought
De Soto Parish is in D1 (moderate drought) per the U.S. Drought Monitor (week of Jul 2026). Drought can raise disinfection-byproduct levels and taste/odor issues as utilities draw from lower reservoirs.
06How Logansport compares
Scores for nearby Louisiana cities on one line, with the average marked.
dashed line = Louisiana average (53/100)
Logansport scores 55.5/100 — on par with the Louisiana average of 53/100. It outscores 7 of 10 nearby cities. Full Louisiana rankings →
43.2 / 100AJefferson, LA
85.8 / 100FNew Orleans, LA
34.1 / 100FLafayette, LA
35.1 / 100FShreveport, LA
36.5 / 100BHouma, LA
82.4 / 100
Compare all cities in the county — grades, violations, and contaminant data side by side.→
07What to do at home
Steps matched to what testing actually found in Logansport's water — not generic advice.
A basic carbon filter still helps
Logansport's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Read your utility's annual report
Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.
How to read a CCR →Watch for Logansport alerts
We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.
All water alerts →Frequently asked questions
Is Logansport, LA tap water safe to drink?
Logansport's water quality earned a grade of C- (55.5/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #189 out of 309 cities tested in Louisiana.
What contaminants are in Logansport's water?
Lead was measured at 0.4 ppb (90th percentile). 33 violations are on record.
How is Logansport'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 Logansport?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Logansport's water come from?
Logansport's water is sourced from Surface water. The city has 1 water system serving approximately 2,448 residents.
What health violations has Logansport's water system had?
Logansport has 28 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
How does Logansport's water compare to other cities?
Logansport ranks #189 out of 309 cities in Louisiana (better than 39% of state cities) and #12312 out of 15382 cities nationally (20th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Logansport's small water system affect quality?
Logansport's system serves approximately 2,448 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 33 violations on record.