StormTac Database Base Flow Concentrations

StormTac Database v.2026-01-08

HomeRunoff coefficientsBase flow concentrationsStormwater concentrations% dissolved stormwaterSeasonal stormwater concentrations

Reduction efficienciesSeasonal reduction efficienciesIrreducible concentrationsFacility costsSurface water concentrations% dissolved in Surface waterWastewater

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Surface water concentrations (ref/stat) (μg/l)	P	N	Pb	Cu	Zn	Cd	Cr	Ni	Hg	SS	BaP	AAe	FLU	PHE	PYR	BaA	ANT	FLUO	NAP	BbF	BkF	BgP	IND	Alachl	Atraz	Benz	Chlorf	DichlE	DEHP	Diur	Endosu	HCB	HCH	Isopro	4-NP	4-tert-OP	PCP	Simaz	TBT	Trichl	Trifl	As	Cl	Fe	TOC	DOC	DichlP	MCPA	DBP
Lakes
Larm et al. (2020)	18	700	0.25	0.50	1.8	0.050	0.085	0.35	0.0025	2 600	<0.010							<0.010	<0.020																							0.45	53 000		13 000
Larm et al. (2020)	28	920	0.22	0.94	5.4	0.010	0.11	0.45	<0.0020																																	1.1
Miljöbarometern, 2025.
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Median	23	810	0.24	0.72	3.6	0.030	0.098	0.40	0.0018																																	0.78
Min	18	700	0.22	0.50	1.8	0.010	0.085	0.35	0.0010																																	0.45
Max	28	920	0.25	0.94	5.4	0.050	0.11	0.45	0.0025																																	1.1
Sea, sea bays
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Median
Min
Max
Water courses
Larm and Larm (2019)	100	1 500	1.1	7.9	22	0.023	0.71	1.9		6 500																																0.86			7 900
Larm and Larm (2019)	140	1 100	1.3	8.8	35	0.033	1.0	1.9	0.0035	15 000	0.012						<0.010	0.028	<0.10							<0.10			<0.40						<0.030	0.0075									6 400	5 600
Larm and Larm (2019)	18	680	0.30	1.4	3.3	0.0090	0.43	0.72	0.00058																																	0.27			5 100
Larm and Larm (2019)										3 500	<0.010						<0.010	<0.010	<0.10							<0.10			<0.40						<0.030	<0.010										4 600
Larm and Larm (2019)	14	890	0.26	1.5	4.4		0.32	0.71																																					7 500
Larm and Larm (2019)	16	670	0.30	2.2	4.7	0.0072	0.43	0.87	0.0015	2 200	<0.010						<0.010	0.013	<0.020							<0.10			0.19						<0.030	<0.010			<0.0010			0.27			6 800	6 500
Larm and Larm (2019)	31	750																																											7 300
Larm and Larm (2019)	25	660	0.70	3.5	10	0.040	0.48	0.88	0.0023	5 500	0.0075						0.0070	0.019	<0.10							<0.10			0.20						<0.030	<0.010			<0.0010			0.31
Larm and Larm (2019)	70	1 000	2.0	4.3	16	0.029	2.8	2.3	0.011
Larm and Larm (2019)			2.0	4.0	14		1.8	1.9	0.0035	43 000	0.010						<0.010	0.025	0.12							<0.10			<0.40						<0.030	<0.010						0.50			10 000	7 700
Larm and Larm (2019)		1 300	2.0
Larm and Larm (2019)	58	1 000	0.19	6.2	14	0.019	0.51	1.3	0.0015	4 600	<0.010						<0.010	<0.010	<0.10							<0.10			0.31						<0.030	<0.010						0.54			8 900	8 600
Larm and Larm (2019)	79	1 500																																											9 800	9 500
Larm and Larm (2019)	73	1 300	0.89	4.8	21	0.025	0.61	2.1	0.0026	9 800	<0.010						<0.010	0.0090	0.14							0.069									<0.030	<0.010			0.00038			0.78
Larm and Larm (2019)	57	820
Larm and Larm (2019)	39	680	0.54	2.5	10	0.014	0.37	0.86	<0.0020	4 100	<0.010						<0.010	<0.010	<0.10							<0.10			0.32						<0.030	<0.010						0.43			8 500	8 200
Larm and Larm (2019)	70	1 100	1.2	4.5	17	0.030	0.91	1.4	0.0030	20 000	<0.010						<0.010	<0.010	<0.10							<0.10			<0.40						<0.030	<0.010						0.53			11 000	10 000
Larm and Larm (2019)	32	660	1.2	3.9	14	0.040	0.49	0.90	0.0028	5 600	0.0027						<0.010	<0.010	<0.10							<0.10			<0.40						<0.030	<0.010			<0.0010			0.73			6 500	6 200
Larm and Larm (2019)	41	1 100	0.56	2.9	8.0	0.018	0.57	1.3	<0.0020	3 800	<0.010						<0.010	<0.010	<0.10							<0.10			<0.040						<0.030	<0.010						0.42			8 500	8 300
Larm and Larm (2019)	54	1 600	0.54	5.2	7.5	0.023	0.75	1.8	0.0015	5 400	<0.010						0.014	0.013	0.58							<0.10			<0.40						<0.030	<0.010						0.57			9 300	9 200
Larm and Larm (2019)	65	1 100	1.9	26	52	0.055	1.0	1.5	0.0038	23 000	0.010						<0.010	0.015	<0.10							<0.10			<0.40						<0.030	0.011						0.40			7 300	6 600
Larm et al. (2020)	48	600	2.6	8.0	10	0.059	0.50	1.4	0.0057	23 000	<0.010						<0.010	<0.010	<0.020																							0.63	9 900		10 000
Larm et al. (2020)																																											10 000
Larm et al. (2020)	28	1 200	0.45	3.0	11	0.035	0.36	1.4	<0.0050	7 200	<0.010						<0.010	<0.010	<0.020																							0.63	35 000		8 600
Larm et al. (2020)																																											32 000
Larm et al. (2020)	48	980	0.67	3.7	8.0	0.030	0.52	2.0	<0.0050	15 000	<0.010						<0.010	<0.010	<0.020																							0.79	41 000		7 300
Larm et al. (2020)																																											43 000
Larm et al. (2020)	73	1 900	0.42	3.2	3.4	0.029	0.85	2.2	0.0066	10 000	<0.010						<0.010	<0.010	<0.020																							0.76	22 000		27 000
Larm et al. (2020)																																											21 000
Larm et al. (2020)	180	1 800	1.4	10	32	0.043	1.3	2.4	0.0052	38 000	0.0058						<0.010	0.011	<0.020	0.0024	0.0010	0.0024	0.0031																			0.74	38 000		9 300
Larm et al. (2020)																																											120 000
Larm et al. (2020)	31	1 200	0.70	5.7	21	0.021	0.71	1.5	<0.0050	16 000	0.0062						<0.010	0.017	<0.020			0.0056	0.0026																			0.71	81 000		14 000
Larm et al. (2020)																																											84 000
Larm et al. (2020)	38	1 000	0.65	4.1	10	0.023	0.75	1.2	0.0036	13 000	0.0055						<0.010	0.0080	<0.020																							0.73	54 000		37 000
Larm et al. (2020)																																											56 000
Larm et al. (2020)	35	1 100	0.47	1.6	3.6	0.019	0.72	2.0	0.0064	11 000	<0.010						<0.010	<0.010	<0.020																							0.53	74 000		2 300
Larm et al. (2020)																																											74 000
Larm et al. (2020)	34	1 400	0.91	5.3	9.6	0.027	0.63	1.2	<0.0050	10 000	<0.010						<0.010	0.0067	0.056																							0.60	170 000		8 900
Larm et al. (2020)																																											150 000
Larm et al. (2020)	59	780	1.0	3.8	8.7	0.046	0.74	2.2	0.0037	19 000	<0.010						<0.010	<0.010	<0.020			0.0018	0.0027																			1.2	6 900		15 000
Larm et al. (2020)																																											7 300
Larm et al. (2020)	53	1 100	1.0	4.6	14	0.032	0.68	1.5	0.0029	27 000	<0.010						<0.010	0.0088	0.011																							0.76	210 000		17 000
Larm et al. (2020)																																											210 000
Larm et al. (2020)	110	1 500	0.91	3.2	7.4	0.032	0.56	1.1	0.0029	23 000	<0.010						<0.010	<0.010	0.016	0.0016		0.0020	0.0029																			0.76	8 200		6 500
Larm et al. (2020)																																											8 200
Larm et al. (2020)	85	1 300	1.2	3.9	5.4	0.026	1.0	1.4	<0.10	10 000	<0.010						<0.010	<0.010	<0.020																							0.62	20 000
Larm et al. (2020)	50	830	0.43	1.6	3.5	0.024	0.72	0.76	<0.0050	15 000																																0.51	44 000
Larm et al. (2020)	87	1 500	1.2	5.6	30	0.040	1.0	1.9		10 000	<0.010						<0.010	<0.010	<0.020																							0.86	52 000
Larm et al. (2020)	84	1 400	1.0	5.1	26	0.028	1.0	2.3		14 000	0.0068						<0.010	0.010	<0.020																							0.85	82 000
Miljöbarometern, 2025
Miljöförvaltningen Stockholm Stad (2021)
Miljöförvaltningen Stockholm Stad (2021)
Median	53	1 100	0.91	4.0	10	0.028	0.71	1.4	0.0028	10 000	0.0050						0.0050	0.0050	0.011	0.0020		0.0020	0.0027			0.050			0.20						0.015	0.0050			0.00050			0.63	43 000		8 600	7 700
Min	14	600	0.19	1.4	3.3	0.0072	0.32	0.71	0.00058	2 200	0.0027						0.0050	0.0050	0.010	0.0016		0.0018	0.0026			0.050			0.020						0.015	0.0050			0.00038			0.27	6 900		2 300	4 600
Max	180	1 900	2.6	26	52	0.059	2.8	2.4	0.050	43 000	0.012						0.014	0.028	0.58	0.0024		0.0056	0.0031			0.069			0.32						0.015	0.011			0.00050			1.2	210 000		37 000	10 000
Surface water criteria
Inland surface waters
*Annual average*
CCME (2021)							8.9 *		0.026		0.015	5.8	3.0	0.40	0.025	0.018	0.012	0.040	1.1						1.8	370		100	16		0.0030		0.010		1.0		0.50	10	0.0080	1.8	0.20	5.0	120 000	300				2.6
EU (2013)			1.2 *			0.080 *		4.0 *	_ *		0.00017	5.8	3.0	0.40	0.025	0.018	0.10	0.0063	2.0					0.30	0.60	10	0.10	10	1.3	0.20	0.0050		0.020	0.30	0.30	0.10	0.40	1.0	0.00020	2.5	0.030		860 000						19
Havs- och vattenmyndigheten (2019)			1.2 *	0.50 *	5.5 *	0.080 *	3.4 *	4.0 *			0.00017						0.10	0.0063	2.0					0.30	0.60	10	0.10	10	1.3	0.20	0.0050		0.020	0.30	0.30	0.10	0.40	1.0	0.00020	2.5	0.030	0.50 *					10	1.0
US EPA (2021)			2.5 *		120 *	0.72 *	11 *	52 *	0.77 *																										6.6		15		0.072			150	230 000	1 000
*Maximum allowable concentration*
EU (2013)			14 *			0.45 *		34 *	0.070 *		0.27						0.10	0.12	130	0.017	0.017	0.0082		0.70	2.0	50				1.8	0.010	0.050	0.040	1.0	2.0		1.0	4.0	0.0015
Havs- och Vattenmyndigheten (2019)			14 *			0.45 *		34 *	0.070 *		0.27						0.10	0.12	130	0.017	0.017	0.0082		0.70	2.0	50	0.30			1.8	0.010	0.050	0.040	1.0	2.0		1.0	4.0	0.0015			7.9 *
*Other*
CCME (2007)	20-35
CCME (2007)	35-100
Environment Canada (2011)	50	1 000
Naturvårdsverket (1999)	13-25	300-630	1.0-3.0	3.0-9.0	20-60	0.10-0.30	5.0-15	15-45																																		5.0-15
Naturvårdsverket (1999)	25-50	630-1 300	3.0-15	9.0-45	60-300	0.30-1.5	15-75	45-230																																		15-75
Other surface water
*Annual average*
CCME (2021)						0.12	56		0.016										1.4							110					0.0020				0.70				0.0010			13						4.2
EU (2013)			1.3 *			0.20 *		8.6 *	_ *		0.00017						0.10	0.0063	2.0					0.30	0.60	8.0	0.10	10	1.3	0.20	0.00050		0.0020	0.30	0.30	0.010	0.40	1.0	0.00020	2.5	0.030
Havs- och Vattenmyndigheten (2019)			1.3 *	0.87 *	1.1 *	0.20 *	3.4 *	8.6 *			0.00017						0.10	0.0063	2.0					0.30	0.60	8.0	0.10	10	1.3	0.20	0.00050		0.0020	0.30	0.30	0.010	0.40	1.0	0.00020	2.5	0.030	0.55 *
US EPA (2021)			5.6 *	3.1 *	81 *	7.9 *	50 *	8.2 *	0.94 *																										1.7		7.9		0.0074			36
*Maximum allowable concentration*
EU (2013)			14			0.45 *		34	0.070		0.027						0.10	0.12	130		0.017	0.00082		0.70	2.0	50				1.8	0.0040	0.050	0.020	1.0	2.0		1.0	4.0	0.0015
Havs- och Vattenmyndigheten (2019)			14			0.45 *		34	0.070		0.027						0.10	0.12	130	0.017	0.017	0.00082		0.70	2.0	50	0.30			1.8	0.0040	0.050	0.020	1.0	2.0		1.0	4.0	0.0015			1.1