Table 1.

Water Quality Results measured in this study and historical data collected over the past decade for both leachate types.

Water Quality Parameter	This Study (mg/L)		Historical Trends 2011-2023 (mg/L) ( ± Std Dev)
	Normal Leachate	ETLF Leachate	Normal Leachate	ETLF Leachate
TSS	307	1473	410 ( ± 318)	917 ( ± 797)
BOD	1330	30,455	829 ( ± 619)	29,700 ( ± 6620)
COD	5760	53,200	12,800 ( ± 25,200)*	56,100 ( ± 25,300)*
TKN	1400	2560	1300 ( ± 594)	2540 ( ± 674)
DOC	1560	16,400	N.A.	N.A.
Nitrite as N	0.091	0.194	N.A.	N.A.
Nitrate + Nitrite	0.031	0.00	N.A.	N.A.
Ammonia as N	1360	2340	N.A.	N.A.
Oil and Grease	19.9	150	N.A.	N.A.
Cyanide	0.017	0.036	N.A.	N.A.

N.A.: Not available because not measured.

^*Historical data is from 2011–2017