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Suburban Water Company water quality report, rewritten

Serves
4,700
Connections
1,903
Water source
Groundwater bought from another system
Based in
Basehor, KS
County
Leavenworth
Owner
Private
The 3 ZIP codes it serves

66007, 66012, 66086

PWSID KS20103212026 edition · EPA data

Read this first

  • Copper (above the health goal) In the latest period, 9 in 10 homes sampled were at or below 1.4 ppm, above the 1.3 ppm action level.
  • Lithium (above EPA’s health benchmark) was found in eight of 8 samples, highest 41.4 ppb. Above EPA’s health reference level of 10 ppb, a screening level rather than an enforceable limit.
  • Lead (above the health goal) In the latest period, 9 in 10 homes sampled were at or below 2.9 ppb, below the 15 ppb action level. The action level drops to 10 ppb on Nov. 1, 2027. EPA’s health goal for lead is zero.

No health-based violations on file since 2016. EPA lists 9 monitoring or reporting violations, which are paperwork and testing lapses rather than water quality findings.

What handles it

What was found

Highlighted: above the health goal, or EPA’s health benchmark where there is no goal. Circled: above the legal limit in at least one sample, or the action level. Every scale puts that line at its middle.

Copper (above the health goal)

Comes from pipes, often your own

1.4 (above the action level)ppm

90th percentile, 2024

In the latest period, 9 in 10 homes sampled were at or below 1.4 ppm, above the 1.3 ppm action level.

What handles it

EPA SDWIS, lead and copper monitoring periods ending 2023 to 2024. The pointer marks the latest period; each blue tick is an earlier one.

41.4ppb

Highest of 8 samples; found in eight

Above EPA’s health reference level of 10 ppb, a screening level rather than an enforceable limit.

What handles it

No certification claim covers this compound yet.

EPA UCMR 5, samples taken from Jan. 28, 2025 to Oct. 13, 2025. Each blue tick is one sample where it was found.

Lead (above the health goal)

Comes from pipes, often your own

2.9ppb

90th percentile, 2026

In the latest period, 9 in 10 homes sampled were at or below 2.9 ppb, below the 15 ppb action level. The action level drops to 10 ppb on Nov. 1, 2027. EPA’s health goal for lead is zero.

What handles it

EPA SDWIS, lead and copper monitoring periods ending 2020 to 2026. The pointer marks the latest period; each blue tick is an earlier one.

Tested and not found

Below EPA’s minimum reporting level in every sample taken from Jan. 28, 2025 to Oct. 13, 2025. Not found means not measured above that level, which is not the same as zero.

All 29 compounds tested and not found
  • 11Cl-PF3OUdS
  • 4:2 FTS
  • 6:2 FTS
  • 8:2 FTS
  • 9Cl-PF3ONS
  • ADONA
  • HFPO-DA (GenX)
  • NEtFOSAA
  • NFDHA
  • NMeFOSAA
  • PFBA
  • PFBS
  • PFDA
  • PFDoA
  • PFEESA
  • PFHpA
  • PFHpS
  • PFHxA
  • PFHxS
  • PFMBA
  • PFMPA
  • PFNA
  • PFOA
  • PFOS
  • PFPeA
  • PFPeS
  • PFTA
  • PFTrDA
  • PFUnA

Violations since 2016

No health-based violations on file with EPA since 2016. There are 9 monitoring or reporting violations: a sample missed, late or not reported.

What handles it

A certification covers specific claims, not a whole standard. Look for these claims on the certifier’s listing, not the box. Wording varies a little: NSF writes “Lead Reduction,” WQA just “Lead.”

  • NSF/ANSI 53

    Claims: Copper Reduction, Lead Reduction

    For: Copper, Lead

  • NSF/ANSI 58

    Claims: Copper Reduction, Lead Reduction

    For: Copper, Lead

At the tap, or for the whole house?

Lead and copper usually come from pipes and fixtures inside or near your home. A whole-house system sits where water enters, so it cannot catch what your own plumbing adds after it. For those, the filter that counts is the one at the tap. How whole-house systems compare.

Compare five-year costs

Filters with those claims on a certifier’s listing

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

What this report cannot tell you

  • Levels of everything else. Federal bulk data carries results for PFAS, lithium, lead and copper, and violations for the rest. Nitrate, arsenic, disinfection byproducts and other levels are in Suburban Water Company’s own annual report, which it must send you every year.
  • Your own plumbing. Lead results are the 90th percentile across homes the utility samples. Your home’s service line, solder and fixtures decide yours. A certified lab test is the only way to know.
  • Anything after the latest data. SDWIS data is from 2026 Q2; UCMR 5 samples are from Jan. 28, 2025 to Oct. 13, 2025.

What to do next

  1. Read up on the 3 marked results

    What each one does to health, where it comes from, and the certification claim that addresses it.

    Start with Copper

  2. Get the utility’s own report

    Suburban Water Company must send you a water quality report every year. It lists nitrate, arsenic and byproduct levels this page cannot.

    How to read it

  3. Test your own tap for lead

    Your service line, solder and fixtures decide the lead at your faucet, not the utility’s average.

    Lead in your water: what to do

  4. Compare certified filters

    What the filters certified for these results cost over five years, cartridges included.

    Compare five-year costs

Other Kansas utilities

All Kansas utilities

Sources