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Plants facing new discharge limits — by state and pollutant

In Kansas: 21 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Jan 1, 2027 and Apr 1, 2029 (121 limits); 10 of them reported a median above that limit between Oct 1, 2025 and Sep 30, 2026. EPA's file of Oct 16, 2026.

By state: all · IA 204 · PA 172 · LA 165 · OH 134 · MS 68 · AR 58 · TX 57 · MI 53 · GA 52 · VA 52 · MD 48 · NJ 35 · IN 31 · SC 23 · KS 21 · MN 21 · NY 21 · MO 20 · WV 17 · OR 16 · IL 14 · FL 10 · NE 9 · OK 8 · TN 8 · CO 7 · UT 7 · NM 6 · CA 5 · SD 5 · CT 3 · ID 3 · ME 2 · WI 2 · AL 1 · DC 1 · KY 1 · MT 1 · NH 1 · PR 1 · VT 1 · WA 1

By pollutant: Phosphorus, Total As P 17 · Nitrogen, ammonia total [as N] 6 · Nitrite + Nitrate total [as N] 4 · BOD, 5-day, 20 deg. C 1

PlantPermitStateTypeDesign flowParameterNew limitEffectiveToday's median× limit
Neighbors of Walnut Grove, LLCKS0092053KSIndustrial—Phosphorus, Total As PDG 0.5 lb/d, newJan 1, 20270.5659 lb/d (11 values)1.13×
COLWICH, CITY OFKS0090956KSSewage plant—Nitrogen, ammonia total [as N]monthly average 1.7 mg/L (Jul–Sep), newMar 31, 20271.93 mg/L (3 values)1.14×
JUNCTION CITY, CITY OFKS0092151KSSewage plant—Phosphorus, Total As PDG 20.9 lb/d, newApr 1, 202761.18 lb/d (12 values)2.93×
SALINA, CITY OFKS0038474KSSewage plant, major—Nitrite + Nitrate total [as N]daily average 10 mg/L, newSep 1, 202716.46 mg/L (11 values)1.65×
SALINA, CITY OFKS0038474KSSewage plant, major—Phosphorus, Total As PDG 60.6 lb/d, newSep 1, 202769.71 lb/d (11 values)1.15×
HALSTEAD, CITY OFKS0026263KSSewage plant—Phosphorus, Total As PDG 3.51 lb/d, newNov 1, 20274.99 lb/d (11 values)1.42×
SHERWOOD IMPROVEMENT DISTRICT (WWTP)KS0117731KSSewage plant, major—Phosphorus, Total As PDG 20.05 lb/d, newDec 1, 202733.45 lb/d (11 values)1.67×
HILL'S PET NUTRITION, INC.KS0003077KSIndustrial—Phosphorus, Total As PDG 1.14 lb/d, newJan 1, 20285.089 lb/d (11 values)4.46×
LAWRENCE, CITY OFKS0038644KSSewage plant, major—Phosphorus, Total As PDG 104.4 lb/d, newJan 1, 2028188 lb/d (11 values)1.8×
WELLINGTON, CITY OFKS0099571KSSewage plant, major—Phosphorus, Total As PDG 14.3 lb/d, newJul 1, 202826.38 lb/d (11 values)1.85×
WICHITA, CITY OFKS0043036KSSewage plant, major—Phosphorus, Total As PDG 317.45 lb/d, newSep 1, 20281111 lb/d (11 values)3.5×
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrite + Nitrate total [as N]daily average 10 mg/L, newSep 1, 202819.79 mg/L (11 values)1.98×
Lubrication Engineers Inc.KS0081132KSIndustrial—Phosphorus, Total As PDG 0.04 lb/d, newJan 1, 2027under 3 values—
COLWICH, CITY OFKS0090956KSSewage plant—Nitrogen, ammonia total [as N]monthly average 4.6 mg/L (Jan–Mar), newMar 31, 20273.33 mg/L (3 values)0.724×
COLWICH, CITY OFKS0090956KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.2 mg/L (Apr–Jun), newMar 31, 20270.4567 mg/L (3 values)0.208×
COLWICH, CITY OFKS0090956KSSewage plant—Nitrogen, ammonia total [as N]monthly average 4.6 mg/L (Oct–Dec), newMar 31, 20270.67 mg/L (3 values)0.146×
HAVILAND, CITY OFKS0027839KSSewage plant—Nitrogen, ammonia total [as N]monthly average 6.2 mg/L (Jan–Mar), newMar 31, 2027under 3 values—
HAVILAND, CITY OFKS0027839KSSewage plant—Nitrogen, ammonia total [as N]monthly average 3.7 mg/L (Apr–Jun), newMar 31, 2027under 3 values—
HAVILAND, CITY OFKS0027839KSSewage plant—Nitrogen, ammonia total [as N]monthly average 5.3 mg/L (Oct–Dec), newMar 31, 2027under 3 values—
HAVILAND, CITY OFKS0027839KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.7 mg/L (Jul–Sep), newMar 31, 2027under 3 values—
CREEKSTONE FARMS PREMIUM BEEFKS0094706KSIndustrial—Phosphorus, Total As PDG 41.77 lb/d, newApr 1, 202724.22 lb/d (5 values)0.58×
KDWP - MILFORD FISH HATCHERYKS0083275KSIndustrial—Phosphorus, Total As PDG 0.9 lb/d, newApr 1, 2027under 3 values—
TOPEKA NORTH WASTEWATER PLANT (WWTP)KS0042714KSSewage plant, major—Phosphorus, Total As PDG 100.26 lb/d, newJul 1, 202751.5 lb/d (11 values)0.514×
COLBY, CITY OFKS0098698KSSewage plant—Phosphorus, Total As PDG 12.5 lb/d, newSep 1, 20278.801 lb/d (11 values)0.704×
AUGUSTA, CITY OFKS0094561KSSewage plant, major—Phosphorus, Total As PDG 12.53 lb/d, newSep 1, 20271.734 lb/d (11 values)0.138×
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Feb), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 2.8 mg/L (Jun), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 2.9 mg/L (Sep), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 2.3 mg/L (Aug), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 5.5 mg/L (Apr), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 8.5 mg/L (Mar), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 2.2 mg/L (Jul), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Jan), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Dec), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 8 mg/L (Nov), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 0.8 mg/L (May), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]daily maximum 4.8 mg/L (Oct), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1.8 mg/L (Feb), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 0.6 mg/L (Jun), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 0.5 mg/L (Aug), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 0.6 mg/L (Sep), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1 mg/L (Apr), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1.4 mg/L (Mar), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 0.5 mg/L (Jul), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1.8 mg/L (Jan), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1.8 mg/L (Dec), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 1.4 mg/L (Nov), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 4.1 mg/L (May), newJan 1, 2028under 3 values—
PITTSBURG, CITY OF (NEW WWTP)KS0200022KSIndustrial, major—Nitrogen, ammonia total [as N]monthly average 0.9 mg/L (Oct), newJan 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmonthly average 20 mg/L (Sep), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmonthly average 25 mg/L (Mar), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmonthly average 20 mg/L (Oct), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmaximum weekly average 30 mg/L (Sep), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmaximum weekly average 40 mg/L (Mar), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—BOD, 5-day, 20 deg. Cmaximum weekly average 30 mg/L (Oct), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 4.2 mg/L (Sep), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 7.1 mg/L (Oct), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 9.1 mg/L (Nov), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 9.1 mg/L (Dec), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 9.1 mg/L (Jan), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 3 mg/L (Aug), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 5.6 mg/L (Apr), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]daily maximum 9.1 mg/L (Feb), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 0.7 mg/L (Jul), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 1.7 mg/L (Oct), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.1 mg/L (Nov), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.1 mg/L (Dec), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.1 mg/L (Jan), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 0.8 mg/L (Jun), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 0.8 mg/L (Aug), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 1.4 mg/L (Apr), tighterApr 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrogen, ammonia total [as N]monthly average 2.1 mg/L (Feb), tighterApr 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrite + Nitrate total [as N]daily average 10 mg/L, newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 2.8 mg/L (Jun), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 8 mg/L (Nov), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 8.6 mg/L (Mar), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 2.2 mg/L (Jul), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 4.1 mg/L (May), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Dec), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 4.8 mg/L (Oct), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 3 mg/L (Sep), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Feb), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 5.5 mg/L (Apr), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 2.3 mg/L (Aug), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]daily maximum 8.8 mg/L (Jan), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 0.6 mg/L (Jun), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.5 mg/L (Mar), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 0.9 mg/L (May), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1 mg/L (Oct), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.9 mg/L (Dec), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 0.5 mg/L (Jul), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.5 mg/L (Nov), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.9 mg/L (Feb), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 0.7 mg/L (Sep), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.1 mg/L (Apr), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 0.5 mg/L (Aug), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Nitrogen, ammonia total [as N]monthly average 1.9 mg/L (Jan), newJun 1, 2028under 3 values—
FRONTENAC, CITY OF (NEW MECHANICAL WWTP)KS0200025KSIndustrial—Phosphorus, Total As PDG 8.86 lb/d, newJun 1, 2028under 3 values—
ST. MARYS, CITY OFKS0020974KSSewage plant—Phosphorus, Total As PDG 4.18 lb/d, newJul 1, 20284.061 lb/d (12 values)0.971×
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 3.3 mg/L (Sep), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 2.1 mg/L (Aug), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 3.6 mg/L (May), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 8.2 mg/L (Mar), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 2.7 mg/L (Jun), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 4.6 mg/L (Apr), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 5.6 mg/L (Oct), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 8.6 mg/L (Nov), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]daily maximum 2.1 mg/L (Jul), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 1.1 mg/L (Sep), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 3 mg/L (Feb), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 0.9 mg/L (Jun), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 1.2 mg/L (May), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 2.3 mg/L (Mar), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 0.7 mg/L (Aug), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 1.4 mg/L (Apr), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 1.7 mg/L (Oct), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 2.4 mg/L (Nov), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 3.2 mg/L (Jan), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 3.2 mg/L (Dec), tighterSep 1, 2028under 3 values—
WICHITA, CITY OFKS0043036KSSewage plant, major—Nitrogen, ammonia total [as N]monthly average 0.7 mg/L (Jul), tighterSep 1, 2028under 3 values—
ANDOVER, CITY OFKS0092720KSSewage plant—Nitrite + Nitrate total [as N]daily average 10 mg/L, newApr 1, 20298.706 mg/L (11 values)0.871×

Each limit is one EPA's ICIS-NPDES file holds on the permit's current version with a begin date after today, enforceable and numeric, either on a parameter the outfall was never limited on (new) or lower than the limit in force (tighter). Today's median is the plant's own reported values for the same outfall, statistic and unit between Oct 1, 2025 and Sep 30, 2026, with how many; none is shown where most were below a detection limit. Read the permit before relying on a value.

Sell to these plants? The list for your states every week, with every plant over a limit on your pollutant, as a spreadsheet, by API and by email when a new one appears: ask for the plant list, or write to info@passage-data.com. What a seller gets.

For programs and AI agents: a state's permits with these limits as JSON at /api/v1/permits?state=KS&upcoming=true, narrowed with &facility_type=potw or &min_flow_mgd=1; the whole list at /dmr/data/upcoming.json; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states