Is Lawton, OK tap water safe?
The short answer
Neither of the 2 utilities serving Lawton has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Oklahoma’s records.
Lawton, which serves the most people here, has 2 results above the health goal. The worst: Lead at 1.6 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Lawton’s ZIP codes, from EPA’s estimates.
- Open report
Lawton
Oklahoma · serves 92,757 people · about 24,200 in Lawton
2 results above the health goal. The worst: Lead at 1.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
Fort Sill Hqusafacfs
Oklahoma · serves 23,000 people · about 2,900 in Lawton
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
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 Lawton’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
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: 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: Lead, Arsenic
Water testing near Lawton
TapBuff hasn’t read Oklahoma’s list of certified labs yet. The national page links every state’s own list.
Certified labs, state by stateWhich ZIP codes are in Lawton: 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.
Near Lawton
Towns nearby with a page of their own.
What to do next
- Read Lawton’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water