Passage Data · Check a report · Use it from your AI

Beaufort Jasper Water & Sewer Authority

Sewage treatment plant, major discharger, Beaufort, South Carolina, South Carolina. NPDES permit SC0048348, in force until Jan 31, 2029. Last 12 months: no values over a limit, 2 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (33 values), form A monthly (2 values), form 2 quarterly, form 3 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

Limits in force (57)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemonthly average≤ 2650 lb/dJan, Feb, Nov, Dec
Oxygen demand, ultimatemonthly average≤ 1593 lb/dMar–Oct
Oxygen demand, ultimateweekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen demand, ultimateweekly averagereport only (lb/d)Mar–Oct
Oxygen, dissolved [DO]minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 8 mg/LMar–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 12 mg/LMar–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 500 lb/dMar–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 626 lb/dJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 750 lb/dMar–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 938 lb/dJan, Feb, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1877 lb/dall year
Solids, total suspendedweekly average≤ 2800 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 6 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 250 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 125 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 375 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 188 lb/dMar–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]weekly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Chlorine, total residualmonthly average≤ 31 lb/dall year
Chlorine, total residualdaily maximum≤ 63 lb/dall year
Enterococcimonthly average≤ 35 MPN/100mLall year
Enterococcidaily maximum≤ 104 MPN/100mLall year
Enterococcimonthly average≤ 35 MPN/100mLall year
Enterococcidaily maximum≤ 800 MPN/100mLall year
Coliform, fecal generalmonthly average= 14 MPN/100mLall year
Coliform, fecal generalweekly average= 43 MPN/100mLall year
Coliform, fecal generalmonthly average= 14 MPN/100mLall year
Coliform, fecal generaldaily maximum= 200 MPN/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
% Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average≤ 25 %all year
% Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)daily maximum≤ 40 %all year
Pass/Fail Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)daily maximum= 0 pass=0;fail=1all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)daily minimumreport only (%)all year

How strict are these limits?

Cited limits by parameter: South Carolina's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0048348 · MCP: https://passage-data.com/mcp