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Dillon Little Pee Dee

1 Mi E Of City And .5 S. Of Sc 9, Dillon, SC 29536 · Dillon County · Publicly Owned Treatment Works

Average flow
1.19 MGD
Design flow
5 MGD
NPDES permit
SC0021776
Effective
Permit expires
August 2028
Population served
44,272
CWNS 2022

Dillon Little Pee Dee is a publicly owned wastewater treatment plant in Dillon, Dillon County, South Carolina treating an average of 1.19 million gallons per day against a permitted design capacity of 5 MGD, serving about 44,272 residents. It discharges under NPDES permit SC0021776 (effective), which expires in August 2028, with 5 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 2016.

Treatment technology

3 treatment structures and unit processes identified at Dillon Little Pee Dee.

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Compliance snapshot (last 3 years)

Total violations
5
Effluent violations
5

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Dillon Little Pee Dee in EPA's ICIS system.

Formal actions
1
0 since FY2020
Compliance actions
$500
required by EPA orders
EPA inspections
0
none on record

Latest case · May 2016

CITY OF DILLON WWTP (DILLON, SC)

Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $500

Source: EPA ECHO, civil enforcement case 04-2016-4753.

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Every action against Dillon Little Pee Dee with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at Dillon Little Pee Dee.

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Nearby wastewater treatment plants in South Carolina

Latta Town Of (sc1710002)-Plant (b17004) Wells 1&2 (g17106,-107)

Latta · 6 mi away

0.36 MGD

Gsw&sa Town Of Lake View WWTP

Lake View · 12 mi away

0.29 MGD

Marion/s Main St WWTF

Marion · 17 mi away

1.42 MGD

Clio WWTF

Clio · 17 mi away

—

Gsw&sa Town Of Nichols

Nichols · 17 mi away

0.03 MGD

Mccoll Town Of

Mccoll · 21 mi away

0.12 MGD

1.44 MGD

12.36 MGD

Dillon Little Pee Dee: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed October 26, 2026; facility record last updated September 11, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms


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