Is Semmes, AL tap water safe?
The short answer
2 of the 4 utilities serving Semmes have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Alabama’s records: City of Mobile, Bd. of W&S Comm. of the and Prichard Water Works Board.
City of Mobile, Bd. of W&S Comm. of the, which serves the most people here, has 1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 49.4 ppb, above the legal limit.
The water from City of Mobile, Bd. of W&S Comm. of the is soft, 40 mg/L (2.3 grains per gallon). How Alabama’s water compares.
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 Semmes’s ZIP codes, from EPA’s estimates.
- Open report
City of Mobile, Bd. of W&S Comm. of the
Alabama · serves 279,000 people · about 3,500 in Semmes
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 49.4 ppb, above the legal limit. Hardness: soft, 40 mg/L (2.3 grains per gallon).
1 health-based violation since 2016
- Open report
South Alabama Utilities Water System
Alabama · serves 39,249 people · about 1,100 in Semmes
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 15.5 ppb, above EPA’s health benchmark. Hardness: soft, 4.8 mg/L (0.3 grains per gallon).
No health-based violations since 2016
- Open report
Prichard Water Works Board
Alabama · serves 29,190 people · about 640 in Semmes
1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 82.9 ppb, above the legal limit.
8 health-based violations since 2016
- Open report
Kushla Water District
Alabama · serves 6,294 people · under 100 in Semmes
1 result above the health goal. The worst: Lead at 1.6 ppb, above the health goal. Hardness: soft, 3.9 mg/L (0.2 grains per gallon).
No 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 City of Mobile, Bd. of W&S Comm. of the’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), Lead, 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), Lead, Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Lead, Arsenic
Water testing near Semmes
The 3 labs Alabama certifies closest to Semmes, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services - Mobile
Mobile, AL · about 8 miles
Certified for bacteria
Mobile Branch Laboratory
Mobile, AL · about 8 miles
Certified for bacteria
Mobile Water Service Laboratory
Mobile, AL · about 13 miles
Certified for bacteria
Alabama Department of Public Health: Bacteria testing for private wells. Call your county health department to have an environmentalist collect the sample, or collect it yourself in a container from the county health department; there may be a collection fee and a testing fee. Well Water, Alabama Department of Public Health.
All 64 certified labs for AlabamaWhich ZIP codes are in Semmes: 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: ADEM, certified bacteriological, chemical and PFAS drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Semmes
Other towns in Mobile County with a page of their own.
What to do next
- Read City of Mobile, Bd. of W&S Comm. of the’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