Is Cullen, LA tap water safe?
The short answer
2 of the 2 utilities serving Cullen have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Town of Cullen Water System and City of Springhill Water System.
Town of Cullen Water System, which serves the most people here, has 1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 58.2 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Cullen’s ZIP codes, from EPA’s estimates.
- Open report
Town of Cullen Water System
Louisiana · serves 1,236 people · about 480 in Cullen
1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 58.2 ppb, above the legal limit.
6 health-based violations since 2016
- Open report
City of Springhill Water System
Louisiana · serves 7,800 people · under 100 in Cullen
1 result above the action level, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Copper at 1.5 ppm, above the action level.
2 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Town of Cullen Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic
Water testing near Cullen
The lab Louisiana certifies closest to Cullen, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
LDH Shreveport Regional Laboratory
Shreveport, LA · about 38 miles
Certified for bacteria
Which ZIP codes are in Cullen: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: LDH, laboratories certified by Louisiana for drinking water analysis; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Cullen
Other towns in Webster Parish with a page of their own.
What to do next
- Read Town of Cullen Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water