Community Water System · PWSID WI1250086

Rewey Waterworks

Serves 290 peopleGroundwaterOwner: Local GovernmentRewey, Wisconsin
Nothing open that measures the water, but 4 open testing or paperwork violations.

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 1994: 33 violations. 2 treatment lapses · 25 missed or late tests · 6 notices or reports. Most recent began 2023-05-01.

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
2Treatment lapse
25Missed or late test2 open
6Notice or report2 open

More violations on record than 99% of active water systems in Wisconsin. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

1994 · Missed or late test: 1199520002003 · Notice or report: 120052009 · Treatment lapse: 12009 · Notice or report: 220102011 · Missed or late test: 12012 · Missed or late test: 12013 · Notice or report: 120152018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212018 · Missed or late test: 212019 · Notice or report: 22020 · Treatment lapse: 120202023 · Missed or late test: 12025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
6% treatment lapse · 276% missed or late test · 2518% notice or report · 6

Across Wisconsin, 54% of violations are missed or late tests and 5% 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 3 results on file · action level 15 ppb

1.1 ppb
0 ppb
0 ppb

Open now (4)

  1. 2012-04-01Lead and Copper RuleLead Consumer NoticeOpen
  2. 2011-10-01Lead and Copper RuleLead Consumer NoticeOpen
  3. 2009-07-01Public NoticePN Violation for NPDWR ViolationOpen
  4. 2009-04-01Public NoticePN Violation for NPDWR ViolationOpen

Every violation on record

  1. 2023-05-01Revised Total Coliform RuleMONBack in compliance
  2. 2020-06-02DBP Stage 1Treatment Technique No Certif. OperatorBack in compliance
  3. 2019-07-01Consumer Confidence RuleCCR Inadequate ReportingBack in compliance
  4. 2019-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  5. 2018-01-01EthylbenzeneMonitoring, RegularBack in compliance
  6. 2018-01-01cis-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  7. 2018-01-01Xylenes, TotalMonitoring, RegularBack in compliance
  8. 2018-01-01DichloromethaneMonitoring, RegularBack in compliance
  9. 2018-01-01o-DichlorobenzeneMonitoring, RegularBack in compliance
  10. 2018-01-01p-DichlorobenzeneMonitoring, RegularBack in compliance
  11. 2018-01-01Vinyl chlorideMonitoring, RegularBack in compliance
  12. 2018-01-011,1-DichloroethyleneMonitoring, RegularBack in compliance
  13. 2018-01-01trans-1,2-DichloroethyleneMonitoring, RegularBack in compliance
  14. 2018-01-011,2-DichloroethaneMonitoring, RegularBack in compliance
  15. 2018-01-011,1,1-TrichloroethaneMonitoring, RegularBack in compliance
  16. 2018-01-01Carbon tetrachlorideMonitoring, RegularBack in compliance
  17. 2018-01-011,2-DichloropropaneMonitoring, RegularBack in compliance
  18. 2018-01-01TrichloroethyleneMonitoring, RegularBack in compliance
  19. 2018-01-011,1,2-TrichloroethaneMonitoring, RegularBack in compliance
  20. 2018-01-01TetrachloroethyleneMonitoring, RegularBack in compliance
  21. 2018-01-01ChlorobenzeneMonitoring, RegularBack in compliance
  22. 2018-01-01BenzeneMonitoring, RegularBack in compliance
  23. 2018-01-01TolueneMonitoring, RegularBack in compliance
  24. 2018-01-011,2,4-TrichlorobenzeneMonitoring, RegularBack in compliance
  25. 2018-01-01StyreneMonitoring, RegularBack in compliance
Show the other 8 entries
  1. 2013-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  2. 2012-04-01Lead and Copper RuleLead Consumer NoticeOpen
  3. 2011-10-01Lead and Copper RuleLead Consumer NoticeOpen
  4. 2009-07-01Public NoticePN Violation for NPDWR ViolationOpen
  5. 2009-04-01Public NoticePN Violation for NPDWR ViolationOpen
  6. 2009-01-01Lead and Copper RuleOCCT/SOWT Study/RecommendationBack in compliance
  7. 2003-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  8. 1994-07-01Lead and Copper RuleInitial Tap Sampling for Pb and CuBack in compliance

System details

Population served290
Service connections107
Water sourceGroundwater
System typeCommunity Water System
OwnerLocal Government
StatusActive
CityRewey
EPA ZIP on file53580

Areas served

  • Rewey, Iowa County

Reading this record

Rewey Waterworks is a community water system that draws from groundwater and serves about 290 people in Rewey, Wisconsin. 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.