Start here
Choose the path that matches your question
Most drinking-water searches start with an incomplete clue. Choose the closest path to reach a more reliable next step.
Find a system →System lookup
I need to find my water system
Search by PWSID, provider, city, or state, then confirm address-level service through an official source.
Find a systemState records
I want official state records
Open a state page, then continue to its official lookup, available city context, or system profile.
Browse statesAnnual report
I have a water quality report
Check the report year, provider, contaminant tables, limits, violation notes, and official source together.
Read the report guideRecord terms
I saw a detection or violation
Separate detections, compliance violations, and advisories before treating record language as an instruction.
Understand the termsData limits
I need to know what the data can prove
See what public records can show, what they cannot show, and why missing fields need cautious interpretation.
Review data limitsProvider questions
I need to ask my provider
Use focused questions about PWSID, latest reports, notices, testing, and official source links.
Prepare my questionsBrowse states
Start with a state
State pages connect available city and public water system records with official lookup paths. These four illustrate common starting points.
Browse states →Official state lookup
Nevada drinking water records
Start with Nevada Drinking Water Watch and NDEP source guidance, then match the correct provider or PWSID.
Open NevadaSystem and report coverage
Texas water system records
Browse selected city pages, public water system profiles, annual reports, and official state source links.
Open TexasLookup guidance
New Mexico drinking water records
Continue to New Mexico Drinking Water Viewer or Drinking Water Watch with the correct provider or PWSID.
Open New MexicoHigh-intent system search
Kansas water system records
Find public water system profiles such as Lawrence, including PWSID, report, and official source paths.
Open KansasAll 50 states
Choose any U.S. state
Open the state directory for official drinking-water records and available public water system profiles.
Example system profile
See what a public water system profile includes
System profiles bring the PWSID, report year, provider identity, official sources, and limitations into one place.
Find a system →City of Schertz
PWSID TX0940003 · Community water system · Groundwater
- Population served
- 41,948
EPA inventory context, not an address-level count.
- Latest reviewed report
- 2024
Annual report year, not a live status page.
- Source water
- Groundwater
System-level source classification.
Contaminants and report terms
Understand contaminants and other terms in your water report
Start with a contaminant or term printed in your report, then check its measurement, limit, reporting period, and official source context.
See all contaminants →Metals and inorganic chemicals
Lead
Lead is regulated through a treatment technique and tap-sampling action-level framework. A report row does not describe every tap or identify a home's plumbing.
Open explainerMicrobial indicators
Total coliform
Total coliform is a microbial indicator used to evaluate treatment and distribution-system integrity. It is not interchangeable with E. coli.
Open explainerDisinfectants
Chlorine
Chlorine is a drinking-water disinfectant used to control microbes. It is not the same topic as the disinfection byproducts HAA5 or TTHM.
Open explainerMetals and inorganic chemicals
Nitrate
Nitrate is a regulated inorganic contaminant. Report labels often specify that the result is measured as nitrogen, and that basis must remain attached to the value and unit.
Open explainerMetals and inorganic chemicals
Copper
Copper is regulated with lead under a treatment-technique and tap-sampling action-level framework. Plumbing and corrosion control can influence results.
Open explainerDisinfection byproducts
Haloacetic acids (HAA5)
HAA5 is the defined sum of five haloacetic acids formed as disinfection byproducts. It is not chlorine and it is not TTHM.
Open explainerGuides
Practical guides for the next step
Use a guide to identify the right public water system, read an annual report, or interpret record language without guessing.
Read all guides →System lookup
How to look up your drinking water system
Start with a utility bill, PWSID, state lookup tool, or official report so you can find the public water system behind a city or provider name.
Read guideWater reports
How to read a water quality report
A plain-English walkthrough of Consumer Confidence Reports, including report years, detected contaminants, legal limits, violations, and source notes.
Read guideRecords and notices
Detection vs. violation vs. advisory
A careful guide to three different water-record terms, what each one can mean, and what official source to check next.
Read guideBefore you use a record
Helpful context without hiding the next step
Source notes and limitations stay visible, while the main copy stays focused on what the reader can do next.
Review data limitations →Lookup guidance
Use the strongest clue you have
A PWSID is usually the clearest match. A provider name, city, state, or report title can help you reach it.
Find a systemCoverage note
Coverage varies by location
The site includes selected source-backed records in all 50 states. It is not a complete statewide or nationwide inventory.
Review available sourcesData limitation
This is not a live notice service
For boil-water, do-not-drink, or emergency instructions, check your provider or local or state agency.
Review limitationsNationwide coverage
Explore available drinking-water records in all 50 states
Coverage spans selected city pages, public water system profiles, reports, and plain-English explainers. Counts reflect the current reviewed dataset.
Review data sources →Browse public drinking-water information for every state.
Use city pages to find relevant systems and records.
View system identity, reports, sources, and limitations.
Understand report terms in plain English.