City of Sumter — NPDES permit SC0027707: limits, due date and EPA's record

Sewage treatment plant, major discharger, Sumter, South Carolina. NPDES permit SC0027707 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit once (last November 2025), 390 required values missing. Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
November 2025	Nitrogen, ammonia total [as N], weekly average	3.65	≤ 3 mg/L	22%

Limits in force (300)

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year	001
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	001
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	001
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 10 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 8.87 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 8.19 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 9.62 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	≤ 15 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 13.31 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 12.29 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 14.43 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 1251 lb/d	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 246 lb/d	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 259 lb/d	all year	001
BOD, 5-day, 20 deg. C	monthly average	= 228 lb/d	all year	001
BOD, 5-day, 20 deg. C	weekly average	≤ 1877 lb/d	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 369 lb/d	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 389 lb/d	all year	001
BOD, 5-day, 20 deg. C	weekly average	= 342 lb/d	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	minimum	= 6 SU	all year	001
pH	minimum	= 6 SU	all year	001
pH	minimum	= 6 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
pH	maximum	= 8.5 SU	all year	001
pH	maximum	= 8.5 SU	all year	001
pH	maximum	= 8.5 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	monthly average	= 30 mg/L	all year	001
Solids, total suspended	monthly average	= 30 mg/L	all year	001
Solids, total suspended	monthly average	= 30 mg/L	all year	001
Solids, total suspended	weekly average	≤ 45 mg/L	all year	001
Solids, total suspended	weekly average	= 45 mg/L	all year	001
Solids, total suspended	weekly average	= 45 mg/L	all year	001
Solids, total suspended	weekly average	= 45 mg/L	all year	001
Solids, total suspended	monthly average	≤ 3753 lb/d	all year	001
Solids, total suspended	monthly average	= 711 lb/d	all year	001
Solids, total suspended	monthly average	= 948 lb/d	all year	001
Solids, total suspended	monthly average	= 831 lb/d	all year	001
Solids, total suspended	weekly average	≤ 5630 lb/d	all year	001
Solids, total suspended	weekly average	= 1067 lb/d	all year	001
Solids, total suspended	weekly average	= 1422 lb/d	all year	001
Solids, total suspended	weekly average	= 1247 lb/d	all year	001
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	weekly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	monthly average	report only (lb/d)	all year	001
Nitrogen, total [as N]	weekly average	report only (lb/d)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	≤ 3 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 2 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 250 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 63 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 55 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	= 28 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 125 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 32 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 24 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	= 47 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	≤ 375 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 95 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 83 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	weekly average	= 42 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 188 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 48 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 36 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	weekly average	= 71 lb/d	Jan, Feb, Nov, Dec	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	weekly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (lb/d)	all year	001
Phosphorus, total [as P]	weekly average	report only (lb/d)	all year	001
Cyanide, total [as CN]	monthly average	report only (mg/L)	all year	001
Cyanide, total [as CN]	daily maximum	report only (mg/L)	all year	001
Cyanide, total [as CN]	monthly average	report only (lb/d)	all year	001
Cyanide, total [as CN]	daily maximum	report only (lb/d)	all year	001
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	monthly average	report only (lb/d)	all year	001
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	001
Chlorine, total residual	monthly average	≤ .011 mg/L	all year	001
Chlorine, total residual	monthly average	= .011 mg/L	all year	001
Chlorine, total residual	monthly average	= .011 mg/L	all year	001
Chlorine, total residual	monthly average	= .011 mg/L	all year	001
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year	001
Chlorine, total residual	daily maximum	= .019 mg/L	all year	001
Chlorine, total residual	daily maximum	= .019 mg/L	all year	001
Chlorine, total residual	daily maximum	= .019 mg/L	all year	001
Chlorine, total residual	monthly average	≤ 1.4 lb/d	all year	001
Chlorine, total residual	monthly average	= .35 lb/d	all year	001
Chlorine, total residual	monthly average	= .3 lb/d	all year	001
Chlorine, total residual	monthly average	= .26 lb/d	all year	001
Chlorine, total residual	daily maximum	≤ 2.4 lb/d	all year	001
Chlorine, total residual	daily maximum	= .6 lb/d	all year	001
Chlorine, total residual	daily maximum	= .53 lb/d	all year	001
Chlorine, total residual	daily maximum	= .45 lb/d	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	daily maximum	= 349 MPN/100mL	all year	001
E. coli	daily maximum	= 349 MPN/100mL	all year	001
E. coli	daily maximum	= 349 MPN/100mL	all year	001
E. coli	daily maximum	= 349 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	001
E. coli	daily maximum	= 800 MPN/100mL	all year	001
E. coli	daily maximum	= 800 MPN/100mL	all year	001
E. coli	daily maximum	= 800 MPN/100mL	all year	001
E. coli	daily maximum	= 800 MPN/100mL	all year	001
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	001
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	001
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	001
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	001
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	001
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	001
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	001
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	001
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	001
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	001
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	001
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	001
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	001
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	001
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	monthly average	= 25 %	all year	001
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	daily maximum	= 40 %	all year	001
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	002
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	002
Oxygen, dissolved [DO]	minimum	= 7 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 8.19 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 9.62 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 8.87 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 12.29 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 14.43 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 13.31 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 1380 lb/d	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 1216 lb/d	all year	002
BOD, 5-day, 20 deg. C	monthly average	= 1308 lb/d	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 2070 lb/d	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 1824 lb/d	all year	002
BOD, 5-day, 20 deg. C	weekly average	= 1962 lb/d	all year	002
pH	minimum	= 6 SU	all year	002
pH	minimum	= 6 SU	all year	002
pH	minimum	= 6 SU	all year	002
pH	maximum	= 8.5 SU	all year	002
pH	maximum	= 8.5 SU	all year	002
pH	maximum	= 8.5 SU	all year	002
Solids, total suspended	monthly average	= 30 mg/L	all year	002
Solids, total suspended	monthly average	= 30 mg/L	all year	002
Solids, total suspended	monthly average	= 30 mg/L	all year	002
Solids, total suspended	weekly average	= 45 mg/L	all year	002
Solids, total suspended	weekly average	= 45 mg/L	all year	002
Solids, total suspended	weekly average	= 45 mg/L	all year	002
Solids, total suspended	monthly average	= 3793 lb/d	all year	002
Solids, total suspended	monthly average	= 4424 lb/d	all year	002
Solids, total suspended	monthly average	= 5057 lb/d	all year	002
Solids, total suspended	weekly average	= 5690 lb/d	all year	002
Solids, total suspended	weekly average	= 6636 lb/d	all year	002
Solids, total suspended	weekly average	= 7586 lb/d	all year	002
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	= 126 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 147 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 253 lb/d	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	= 337 lb/d	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	= 169 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	= 295 lb/d	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 189 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 221 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 380 lb/d	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 506 lb/d	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	weekly average	= 254 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	weekly average	= 443 lb/d	Jan, Feb, Nov, Dec	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	002
Chlorine, total residual	monthly average	= .011 mg/L	all year	002
Chlorine, total residual	monthly average	= .011 mg/L	all year	002
Chlorine, total residual	monthly average	= .011 mg/L	all year	002
Chlorine, total residual	daily maximum	= .019 mg/L	all year	002
Chlorine, total residual	daily maximum	= .019 mg/L	all year	002
Chlorine, total residual	daily maximum	= .019 mg/L	all year	002
Chlorine, total residual	monthly average	= 1.6 lb/d	all year	002
Chlorine, total residual	monthly average	= 1.4 lb/d	all year	002
Chlorine, total residual	monthly average	= 1.9 lb/d	all year	002
Chlorine, total residual	daily maximum	= 2.8 lb/d	all year	002
Chlorine, total residual	daily maximum	= 2.4 lb/d	all year	002
Chlorine, total residual	daily maximum	= 3.2 lb/d	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	daily maximum	= 349 MPN/100mL	all year	002
E. coli	daily maximum	= 349 MPN/100mL	all year	002
E. coli	daily maximum	= 349 MPN/100mL	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	002
E. coli	daily maximum	= 800 MPN/100mL	all year	002
E. coli	daily maximum	= 800 MPN/100mL	all year	002
E. coli	daily maximum	= 800 MPN/100mL	all year	002
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	002
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	002
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	002
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	002
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	002
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	002
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	002
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	002
Mercury, total [as Hg]	monthly average	report only (lb/d)	all year	002
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	002
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	002
Mercury, total [as Hg]	daily maximum	report only (lb/d)	all year	002
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	002
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	002
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	002
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	002
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	002
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	002
Oxygen, dissolved [DO]	minimum	= 6 mg/L	all year	003
BOD, 5-day, 20 deg. C	monthly average	= 10 mg/L	all year	003
BOD, 5-day, 20 deg. C	weekly average	= 15 mg/L	all year	003
BOD, 5-day, 20 deg. C	monthly average	= 751 lb/d	all year	003
BOD, 5-day, 20 deg. C	weekly average	= 1127 lb/d	all year	003
pH	minimum	= 6 SU	all year	003
pH	maximum	= 8.5 SU	all year	003
Solids, total suspended	monthly average	= 30 mg/L	all year	003
Solids, total suspended	weekly average	= 45 mg/L	all year	003
Solids, total suspended	monthly average	= 2252 lb/d	all year	003
Solids, total suspended	weekly average	= 3378 lb/d	all year	003
Nitrogen, ammonia total [as N]	monthly average	= 1 mg/L	Mar–Oct	003
Nitrogen, ammonia total [as N]	monthly average	= 2 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	weekly average	= 1.5 mg/L	Mar–Oct	003
Nitrogen, ammonia total [as N]	weekly average	= 3 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	= 75 lb/d	Mar–Oct	003
Nitrogen, ammonia total [as N]	monthly average	= 150 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	weekly average	= 113 lb/d	Mar–Oct	003
Nitrogen, ammonia total [as N]	weekly average	= 225 lb/d	Jan, Feb, Nov, Dec	003
Phosphorus, total [as P]	monthly average	= 2 mg/L	all year	003
Phosphorus, total [as P]	weekly average	= 3 mg/L	all year	003
Phosphorus, total [as P]	monthly average	= 75 lb/d	all year	003
Phosphorus, total [as P]	weekly average	= 113 lb/d	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	003
Chlorine, total residual	monthly average	= .5 mg/L	all year	003
Chlorine, total residual	daily maximum	= 1 mg/L	all year	003
Chlorine, total residual	monthly average	= 38 lb/d	all year	003
Chlorine, total residual	daily maximum	= 75 lb/d	all year	003
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	003
E. coli	daily maximum	= 349 MPN/100mL	all year	003
E. coli	30-day geometric mean	= 126 MPN/100mL	all year	003
E. coli	daily maximum	= 800 MPN/100mL	all year	003
Coliform, fecal general	monthly average	= 200 CFU/100mL	all year	003
Coliform, fecal general	daily maximum	= 400 CFU/100mL	all year	003
BOD, 5-day, percent removal	monthly average minimum	= 85 %	all year	003
Solids, suspended percent removal	monthly average minimum	= 85 %	all year	003

How strict are these limits?

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