Community Water System · PWSID KS2011101

Lyon Co Rwd 1

Serves 1,595 peopleSurface Water PurchasedOwner: Local GovernmentEmporia, Kansas

Nothing open that measures the water, but 1 open testing or paperwork violation.

A missed test is not evidence of bad water. It also is not evidence of good water: for that period nobody checked.

On record since 2000: 10 violations. 6 missed or late tests · 4 notices or reports. Most recent began 2025-07-02.

None of them is a measurement of contaminated water.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

0Over the limit

0Treatment lapse

6Missed or late test

4Notice or report1 open

More violations on record than 57% of active water systems in Kansas. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.

60% missed or late test · 640% notice or report · 4

Across Kansas, 52% of violations are missed or late tests and 13% are water over a limit.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 6 results on file · action level 15 ppb

4.6 ppb

3.7 ppb

1.1 ppb

0 ppb

Open now (1)

2025-07-02Lead service line inventoryRPTOpen

Every violation on record

2025-07-02Lead service line inventoryRPTOpen
2016-11-01Revised Total Coliform RuleMONBack in compliance
2016-09-29Lead and Copper RuleLead Consumer NoticeBack in compliance
2013-10-26Public NoticePN Violation for NPDWR ViolationBack in compliance
2013-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
2013-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
2011-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
2010-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
2006-05-01Public NoticePN Violation for NPDWR ViolationBack in compliance
2000-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance

System details

Population served	1,595
Service connections	640
Water source	Surface Water Purchased
System type	Community Water System
Owner	Local Government
Status	Active
City	Emporia
EPA ZIP on file	66801

Areas served

Emporia, Lyon County

Reading this record

Lyon Co Rwd 1 is a community water system that draws from surface water purchased and serves about 1,595 people in Emporia, Kansas. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.