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Water utility · Hancock County · Mississippi

Hancock County Water & Sewer

No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2019.

Serves about 3,254 people (1,528 connections) with groundwater bought from Hancock County Utility Authority.

  • PWSID MS0230065
  • EPA registered name: HANCOCK COUNTY WATER & SEWER
  • EPA record checked May 18, 2026
Contact

Contact Hancock County Water & Sewer

From EPA's record for MS0230065. PurityMap is independent of Hancock County Water & Sewer.

Mailing address
7040 STENNIS AIRPORT ROAD
KILN, MS 39556-8037
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EPA compliance record

What EPA's record shows

8 health-based violations in the last 10 years, from EPA's SDWIS compliance database.

  • Total trihalomethanes (TTHM), a by-product of disinfecting water with chlorine, were above the legal limit in 7 quarters since October 2016.
  • Haloacetic acids (HAA5), a by-product of disinfecting water with chlorine, were above the legal limit in the period starting July 2018.
Recent health-based violations for Hancock County Water & Sewer (PWSID MS0230065)
PeriodContaminantMeasuredLegal limitEPA status
Apr–Jun 2019Total trihalomethanes (TTHM)0.084 mg/L0.080 mg/LResolved
Jan–Mar 2019Total trihalomethanes (TTHM)0.082 mg/L0.080 mg/LResolved
Oct–Dec 2018Total trihalomethanes (TTHM)0.081 mg/L0.080 mg/LResolved
Jul–Sep 2018Haloacetic acids (HAA5)0.096 mg/L0.060 mg/LArchived
Jul–Sep 2018Total trihalomethanes (TTHM)0.096 mg/L0.080 mg/LArchived
Show all 8
PeriodContaminantMeasuredLegal limitEPA status
Apr–Jun 2017Total trihalomethanes (TTHM)0.087 mg/L0.080 mg/LResolved
Jan–Mar 2017Total trihalomethanes (TTHM)0.094 mg/L0.080 mg/LResolved
Oct–Dec 2016Total trihalomethanes (TTHM)0.101 mg/L0.080 mg/LResolved
  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2025) was 6.3 µg/L. The federal action level is 15 µg/L, a trigger for more treatment steps, not a legal limit.
  • Missed or late tests or reports: 3 in 10 years.
  • EPA lists 39 enforcement actions in 10 years; the latest on March 31, 2024.

No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.

Commercial · test your own tap

The system record stops at your property line

Screening tells you if something is worth a closer look; a lab result is the number you can act on.

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    Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb

    Turnaround: 5 minutes

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Questions

About Hancock County Water & Sewer

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What is the phone number for Hancock County Water & Sewer?

Hancock County Water & Sewer's phone number on EPA record is 228-467-6208. Its mailing address is 7040 STENNIS AIRPORT ROAD, KILN, MS 39556-8037.

Where does Hancock County Water & Sewer get its water?

According to EPA's record, Hancock County Water & Sewer uses groundwater bought from Hancock County Utility Authority.

Does Hancock County Water & Sewer have any EPA violations?

EPA's record shows 8 health-based violations for Hancock County Water & Sewer in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting April 2019. EPA also lists 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.

What is Hancock County Water & Sewer's latest lead result?

The 90th-percentile lead result in Hancock County Water & Sewer's latest lead and copper round, which ended in December 2025, was 6.3 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my Hancock County Water & Sewer water bill?

PurityMap has no verified website for Hancock County Water & Sewer. Its phone number on EPA record is 228-467-6208. Its mailing address on EPA record is 7040 STENNIS AIRPORT ROAD, KILN, MS 39556-8037. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.